Home / 142,545,232,185.68-196,729,284,347.55-84,673,840,646.01

Finding the Fourth Proportional to 142,545,232,185.68, 196,729,284,347.55 and 84,673,840,646.01

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Solution

The fourth proportional to 142,545,232,185.68, 196,729,284,347.55 and 84,673,840,646.01 is: 116,859,917,500.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,545,232,185.68 : 196,729,284,347.55 = 84,673,840,646.01 : x
  2. Step 2: Convert to fraction form
    142,545,232,185.68/196,729,284,347.55 = 84,673,840,646.01/x
  3. Step 3: Cross multiply
    142,545,232,185.68x = 196,729,284,347.55 × 84,673,840,646.01
  4. Step 4: Simplify right side
    142,545,232,185.68x = 16,657,824,073,247,054,888,960
  5. Step 5: Solve for x
    x = 16,657,824,073,247,054,888,960/142,545,232,185.68
  6. Step 6: Final answer
    x = 116,859,917,500.07

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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.