Home / 142,545,232,170.90-196,729,284,327.14-84,673,840,631.18

Finding the Fourth Proportional to 142,545,232,170.90, 196,729,284,327.14 and 84,673,840,631.18

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Solution

The fourth proportional to 142,545,232,170.90, 196,729,284,327.14 and 84,673,840,631.18 is: 116,859,917,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,545,232,170.90 : 196,729,284,327.14 = 84,673,840,631.18 : x
  2. Step 2: Convert to fraction form
    142,545,232,170.90/196,729,284,327.14 = 84,673,840,631.18/x
  3. Step 3: Cross multiply
    142,545,232,170.90x = 196,729,284,327.14 × 84,673,840,631.18
  4. Step 4: Simplify right side
    142,545,232,170.90x = 16,657,824,068,602,349,748,224
  5. Step 5: Solve for x
    x = 16,657,824,068,602,349,748,224/142,545,232,170.90
  6. Step 6: Final answer
    x = 116,859,917,479.60

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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.