Home / 67,415,852.10-101,123,778.15-66,744,005.70

Finding the Fourth Proportional to 67,415,852.10, 101,123,778.15 and 66,744,005.70

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Solution

The fourth proportional to 67,415,852.10, 101,123,778.15 and 66,744,005.70 is: 100,116,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,415,852.10 : 101,123,778.15 = 66,744,005.70 : x
  2. Step 2: Convert to fraction form
    67,415,852.10/101,123,778.15 = 66,744,005.70/x
  3. Step 3: Cross multiply
    67,415,852.10x = 101,123,778.15 × 66,744,005.70
  4. Step 4: Simplify right side
    67,415,852.10x = 6,749,406,025,249,136
  5. Step 5: Solve for x
    x = 6,749,406,025,249,136/67,415,852.10
  6. Step 6: Final answer
    x = 100,116,008.55

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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.