Home / 115,918,023.66-159,970,472.55-63,706,110.54

Finding the Fourth Proportional to 115,918,023.66, 159,970,472.55 and 63,706,110.54

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Solution

The fourth proportional to 115,918,023.66, 159,970,472.55 and 63,706,110.54 is: 87,916,410.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,918,023.66 : 159,970,472.55 = 63,706,110.54 : x
  2. Step 2: Convert to fraction form
    115,918,023.66/159,970,472.55 = 63,706,110.54/x
  3. Step 3: Cross multiply
    115,918,023.66x = 159,970,472.55 × 63,706,110.54
  4. Step 4: Simplify right side
    115,918,023.66x = 10,191,096,607,406,336
  5. Step 5: Solve for x
    x = 10,191,096,607,406,336/115,918,023.66
  6. Step 6: Final answer
    x = 87,916,410.97

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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.