Home / 187,812,000.40-281,718,000.60-51,497,165.20

Finding the Fourth Proportional to 187,812,000.40, 281,718,000.60 and 51,497,165.20

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Solution

The fourth proportional to 187,812,000.40, 281,718,000.60 and 51,497,165.20 is: 77,245,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,812,000.40 : 281,718,000.60 = 51,497,165.20 : x
  2. Step 2: Convert to fraction form
    187,812,000.40/281,718,000.60 = 51,497,165.20/x
  3. Step 3: Cross multiply
    187,812,000.40x = 281,718,000.60 × 51,497,165.20
  4. Step 4: Simplify right side
    187,812,000.40x = 14,507,678,416,711,902
  5. Step 5: Solve for x
    x = 14,507,678,416,711,902/187,812,000.40
  6. Step 6: Final answer
    x = 77,245,747.80

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1.5x scale

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.