Home / 89,904,942.72-124,068,820.32-48,651,834.96

Finding the Fourth Proportional to 89,904,942.72, 124,068,820.32 and 48,651,834.96

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Solution

The fourth proportional to 89,904,942.72, 124,068,820.32 and 48,651,834.96 is: 67,139,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,904,942.72 : 124,068,820.32 = 48,651,834.96 : x
  2. Step 2: Convert to fraction form
    89,904,942.72/124,068,820.32 = 48,651,834.96/x
  3. Step 3: Cross multiply
    89,904,942.72x = 124,068,820.32 × 48,651,834.96
  4. Step 4: Simplify right side
    89,904,942.72x = 6,036,175,769,890,534
  5. Step 5: Solve for x
    x = 6,036,175,769,890,534/89,904,942.72
  6. Step 6: Final answer
    x = 67,139,531.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.