Home / 91,746,000.60-137,619,000.90-50,931,331.80

Finding the Fourth Proportional to 91,746,000.60, 137,619,000.90 and 50,931,331.80

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Solution

The fourth proportional to 91,746,000.60, 137,619,000.90 and 50,931,331.80 is: 76,396,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,746,000.60 : 137,619,000.90 = 50,931,331.80 : x
  2. Step 2: Convert to fraction form
    91,746,000.60/137,619,000.90 = 50,931,331.80/x
  3. Step 3: Cross multiply
    91,746,000.60x = 137,619,000.90 × 50,931,331.80
  4. Step 4: Simplify right side
    91,746,000.60x = 7,009,118,996,822,399
  5. Step 5: Solve for x
    x = 7,009,118,996,822,399/91,746,000.60
  6. Step 6: Final answer
    x = 76,396,997.70

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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.