Home / 67,415,853.10-101,123,779.65-66,744,006.70

Finding the Fourth Proportional to 67,415,853.10, 101,123,779.65 and 66,744,006.70

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Solution

The fourth proportional to 67,415,853.10, 101,123,779.65 and 66,744,006.70 is: 100,116,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,415,853.10 : 101,123,779.65 = 66,744,006.70 : x
  2. Step 2: Convert to fraction form
    67,415,853.10/101,123,779.65 = 66,744,006.70/x
  3. Step 3: Cross multiply
    67,415,853.10x = 101,123,779.65 × 66,744,006.70
  4. Step 4: Simplify right side
    67,415,853.10x = 6,749,406,226,488,924
  5. Step 5: Solve for x
    x = 6,749,406,226,488,924/67,415,853.10
  6. Step 6: Final answer
    x = 100,116,010.05

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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.