Home / 142,545,232,187.19-196,729,284,349.62-84,673,840,647.51

Finding the Fourth Proportional to 142,545,232,187.19, 196,729,284,349.62 and 84,673,840,647.51

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Solution

The fourth proportional to 142,545,232,187.19, 196,729,284,349.62 and 84,673,840,647.51 is: 116,859,917,502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,545,232,187.19 : 196,729,284,349.62 = 84,673,840,647.51 : x
  2. Step 2: Convert to fraction form
    142,545,232,187.19/196,729,284,349.62 = 84,673,840,647.51/x
  3. Step 3: Cross multiply
    142,545,232,187.19x = 196,729,284,349.62 × 84,673,840,647.51
  4. Step 4: Simplify right side
    142,545,232,187.19x = 16,657,824,073,718,404,481,024
  5. Step 5: Solve for x
    x = 16,657,824,073,718,404,481,024/142,545,232,187.19
  6. Step 6: Final answer
    x = 116,859,917,502.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.