Home / 66,173,721.60-99,260,582.40-47,892,151.20

Finding the Fourth Proportional to 66,173,721.60, 99,260,582.40 and 47,892,151.20

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Solution

The fourth proportional to 66,173,721.60, 99,260,582.40 and 47,892,151.20 is: 71,838,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,173,721.60 : 99,260,582.40 = 47,892,151.20 : x
  2. Step 2: Convert to fraction form
    66,173,721.60/99,260,582.40 = 47,892,151.20/x
  3. Step 3: Cross multiply
    66,173,721.60x = 99,260,582.40 × 47,892,151.20
  4. Step 4: Simplify right side
    66,173,721.60x = 4,753,802,820,500,859
  5. Step 5: Solve for x
    x = 4,753,802,820,500,859/66,173,721.60
  6. Step 6: Final answer
    x = 71,838,226.80

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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.