Home / 138,527,007.64-207,376,249.86-83,773,888

Finding the Fourth Proportional to 138,527,007.64, 207,376,249.86 and 83,773,888

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Solution

The fourth proportional to 138,527,007.64, 207,376,249.86 and 83,773,888 is: 125,410,308.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,527,007.64 : 207,376,249.86 = 83,773,888 : x
  2. Step 2: Convert to fraction form
    138,527,007.64/207,376,249.86 = 83,773,888/x
  3. Step 3: Cross multiply
    138,527,007.64x = 207,376,249.86 × 83,773,888
  4. Step 4: Simplify right side
    138,527,007.64x = 17,372,714,729,631,656
  5. Step 5: Solve for x
    x = 17,372,714,729,631,656/138,527,007.64
  6. Step 6: Final answer
    x = 125,410,308.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.