Home / 157,777,088.61-217,754,011.85-90,794,670.15

Finding the Fourth Proportional to 157,777,088.61, 217,754,011.85 and 90,794,670.15

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Solution

The fourth proportional to 157,777,088.61, 217,754,011.85 and 90,794,670.15 is: 125,309,091.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,777,088.61 : 217,754,011.85 = 90,794,670.15 : x
  2. Step 2: Convert to fraction form
    157,777,088.61/217,754,011.85 = 90,794,670.15/x
  3. Step 3: Cross multiply
    157,777,088.61x = 217,754,011.85 × 90,794,670.15
  4. Step 4: Simplify right side
    157,777,088.61x = 19,770,903,679,759,944
  5. Step 5: Solve for x
    x = 19,770,903,679,759,944/157,777,088.61
  6. Step 6: Final answer
    x = 125,309,091.79

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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.