Home / 281,718,000.60-422,577,000.90-77,245,747.80

Finding the Fourth Proportional to 281,718,000.60, 422,577,000.90 and 77,245,747.80

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Solution

The fourth proportional to 281,718,000.60, 422,577,000.90 and 77,245,747.80 is: 115,868,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,718,000.60 : 422,577,000.90 = 77,245,747.80 : x
  2. Step 2: Convert to fraction form
    281,718,000.60/422,577,000.90 = 77,245,747.80/x
  3. Step 3: Cross multiply
    281,718,000.60x = 422,577,000.90 × 77,245,747.80
  4. Step 4: Simplify right side
    281,718,000.60x = 32,642,276,437,601,768
  5. Step 5: Solve for x
    x = 32,642,276,437,601,768/281,718,000.60
  6. Step 6: Final answer
    x = 115,868,621.70

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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.