Home / 61,238,860.20-91,732,319.10-42,091,237.80

Finding the Fourth Proportional to 61,238,860.20, 91,732,319.10 and 42,091,237.80

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Solution

The fourth proportional to 61,238,860.20, 91,732,319.10 and 42,091,237.80 is: 63,050,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238,860.20 : 91,732,319.10 = 42,091,237.80 : x
  2. Step 2: Convert to fraction form
    61,238,860.20/91,732,319.10 = 42,091,237.80/x
  3. Step 3: Cross multiply
    61,238,860.20x = 91,732,319.10 × 42,091,237.80
  4. Step 4: Simplify right side
    61,238,860.20x = 3,861,126,857,183,581.50
  5. Step 5: Solve for x
    x = 3,861,126,857,183,581.50/61,238,860.20
  6. Step 6: Final answer
    x = 63,050,273.05

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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.