Home / 116,307,874.40-160,505,962.64-64,098,789.92

Finding the Fourth Proportional to 116,307,874.40, 160,505,962.64 and 64,098,789.92

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Solution

The fourth proportional to 116,307,874.40, 160,505,962.64 and 64,098,789.92 is: 88,456,934.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,307,874.40 : 160,505,962.64 = 64,098,789.92 : x
  2. Step 2: Convert to fraction form
    116,307,874.40/160,505,962.64 = 64,098,789.92/x
  3. Step 3: Cross multiply
    116,307,874.40x = 160,505,962.64 × 64,098,789.92
  4. Step 4: Simplify right side
    116,307,874.40x = 10,288,237,980,168,728
  5. Step 5: Solve for x
    x = 10,288,237,980,168,728/116,307,874.40
  6. Step 6: Final answer
    x = 88,456,934.09

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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.