Home / 159,755,564.40-220,463,557.56-89,194,364.88

Finding the Fourth Proportional to 159,755,564.40, 220,463,557.56 and 89,194,364.88

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Solution

The fourth proportional to 159,755,564.40, 220,463,557.56 and 89,194,364.88 is: 123,088,714.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,755,564.40 : 220,463,557.56 = 89,194,364.88 : x
  2. Step 2: Convert to fraction form
    159,755,564.40/220,463,557.56 = 89,194,364.88/x
  3. Step 3: Cross multiply
    159,755,564.40x = 220,463,557.56 × 89,194,364.88
  4. Step 4: Simplify right side
    159,755,564.40x = 19,664,106,995,749,520
  5. Step 5: Solve for x
    x = 19,664,106,995,749,520/159,755,564.40
  6. Step 6: Final answer
    x = 123,088,714.12

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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.