Home / 67,057,681.52-92,518,788.38-39,160,265.78

Finding the Fourth Proportional to 67,057,681.52, 92,518,788.38 and 39,160,265.78

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Solution

The fourth proportional to 67,057,681.52, 92,518,788.38 and 39,160,265.78 is: 54,029,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,057,681.52 : 92,518,788.38 = 39,160,265.78 : x
  2. Step 2: Convert to fraction form
    67,057,681.52/92,518,788.38 = 39,160,265.78/x
  3. Step 3: Cross multiply
    67,057,681.52x = 92,518,788.38 × 39,160,265.78
  4. Step 4: Simplify right side
    67,057,681.52x = 3,623,060,342,604,375.50
  5. Step 5: Solve for x
    x = 3,623,060,342,604,375.50/67,057,681.52
  6. Step 6: Final answer
    x = 54,029,012.94

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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.