Home / 100,997,436.60-151,502,555.18-42,694,248.56

Finding the Fourth Proportional to 100,997,436.60, 151,502,555.18 and 42,694,248.56

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Solution

The fourth proportional to 100,997,436.60, 151,502,555.18 and 42,694,248.56 is: 64,044,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,997,436.60 : 151,502,555.18 = 42,694,248.56 : x
  2. Step 2: Convert to fraction form
    100,997,436.60/151,502,555.18 = 42,694,248.56/x
  3. Step 3: Cross multiply
    100,997,436.60x = 151,502,555.18 × 42,694,248.56
  4. Step 4: Simplify right side
    100,997,436.60x = 6,468,287,747,679,259
  5. Step 5: Solve for x
    x = 6,468,287,747,679,259/100,997,436.60
  6. Step 6: Final answer
    x = 64,044,078.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.