Home / 67,557,871.92-93,239,824.68-42,780,321.04

Finding the Fourth Proportional to 67,557,871.92, 93,239,824.68 and 42,780,321.04

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Solution

The fourth proportional to 67,557,871.92, 93,239,824.68 and 42,780,321.04 is: 59,043,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,557,871.92 : 93,239,824.68 = 42,780,321.04 : x
  2. Step 2: Convert to fraction form
    67,557,871.92/93,239,824.68 = 42,780,321.04/x
  3. Step 3: Cross multiply
    67,557,871.92x = 93,239,824.68 × 42,780,321.04
  4. Step 4: Simplify right side
    67,557,871.92x = 3,988,829,633,523,715.50
  5. Step 5: Solve for x
    x = 3,988,829,633,523,715.50/67,557,871.92
  6. Step 6: Final answer
    x = 59,043,151.01

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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.