Home / 67,893,272.90-93,700,694.70-38,128,812.56

Finding the Fourth Proportional to 67,893,272.90, 93,700,694.70 and 38,128,812.56

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Solution

The fourth proportional to 67,893,272.90, 93,700,694.70 and 38,128,812.56 is: 52,622,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,893,272.90 : 93,700,694.70 = 38,128,812.56 : x
  2. Step 2: Convert to fraction form
    67,893,272.90/93,700,694.70 = 38,128,812.56/x
  3. Step 3: Cross multiply
    67,893,272.90x = 93,700,694.70 × 38,128,812.56
  4. Step 4: Simplify right side
    67,893,272.90x = 3,572,696,224,958,086
  5. Step 5: Solve for x
    x = 3,572,696,224,958,086/67,893,272.90
  6. Step 6: Final answer
    x = 52,622,241.83

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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.