Home / 157,772,902.68-217,735,016.22-88,159,973.40

Finding the Fourth Proportional to 157,772,902.68, 217,735,016.22 and 88,159,973.40

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Solution

The fourth proportional to 157,772,902.68, 217,735,016.22 and 88,159,973.40 is: 121,665,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,772,902.68 : 217,735,016.22 = 88,159,973.40 : x
  2. Step 2: Convert to fraction form
    157,772,902.68/217,735,016.22 = 88,159,973.40/x
  3. Step 3: Cross multiply
    157,772,902.68x = 217,735,016.22 × 88,159,973.40
  4. Step 4: Simplify right side
    157,772,902.68x = 19,195,513,238,203,768
  5. Step 5: Solve for x
    x = 19,195,513,238,203,768/157,772,902.68
  6. Step 6: Final answer
    x = 121,665,462.90

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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.