Home / 42,315,000.60-63,472,500.90-39,764,083.80

Finding the Fourth Proportional to 42,315,000.60, 63,472,500.90 and 39,764,083.80

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Solution

The fourth proportional to 42,315,000.60, 63,472,500.90 and 39,764,083.80 is: 59,646,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,315,000.60 : 63,472,500.90 = 39,764,083.80 : x
  2. Step 2: Convert to fraction form
    42,315,000.60/63,472,500.90 = 39,764,083.80/x
  3. Step 3: Cross multiply
    42,315,000.60x = 63,472,500.90 × 39,764,083.80
  4. Step 4: Simplify right side
    42,315,000.60x = 2,523,925,844,783,175
  5. Step 5: Solve for x
    x = 2,523,925,844,783,175/42,315,000.60
  6. Step 6: Final answer
    x = 59,646,125.70

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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.