Home / 157,194,301.23-216,930,508.16-90,224,337.15

Finding the Fourth Proportional to 157,194,301.23, 216,930,508.16 and 90,224,337.15

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Solution

The fourth proportional to 157,194,301.23, 216,930,508.16 and 90,224,337.15 is: 124,510,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,194,301.23 : 216,930,508.16 = 90,224,337.15 : x
  2. Step 2: Convert to fraction form
    157,194,301.23/216,930,508.16 = 90,224,337.15/x
  3. Step 3: Cross multiply
    157,194,301.23x = 216,930,508.16 × 90,224,337.15
  4. Step 4: Simplify right side
    157,194,301.23x = 19,572,411,305,897,544
  5. Step 5: Solve for x
    x = 19,572,411,305,897,544/157,194,301.23
  6. Step 6: Final answer
    x = 124,510,946.98

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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.