Home / 67,435,200.74-101,144,268.88-21,377,513.72

Finding the Fourth Proportional to 67,435,200.74, 101,144,268.88 and 21,377,513.72

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Solution

The fourth proportional to 67,435,200.74, 101,144,268.88 and 21,377,513.72 is: 32,063,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,435,200.74 : 101,144,268.88 = 21,377,513.72 : x
  2. Step 2: Convert to fraction form
    67,435,200.74/101,144,268.88 = 21,377,513.72/x
  3. Step 3: Cross multiply
    67,435,200.74x = 101,144,268.88 × 21,377,513.72
  4. Step 4: Simplify right side
    67,435,200.74x = 2,162,212,995,880,986
  5. Step 5: Solve for x
    x = 2,162,212,995,880,986/67,435,200.74
  6. Step 6: Final answer
    x = 32,063,565.79

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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.