Home / 89,905,057.52-124,068,979.82-48,651,950.30

Finding the Fourth Proportional to 89,905,057.52, 124,068,979.82 and 48,651,950.30

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Solution

The fourth proportional to 89,905,057.52, 124,068,979.82 and 48,651,950.30 is: 67,139,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,905,057.52 : 124,068,979.82 = 48,651,950.30 : x
  2. Step 2: Convert to fraction form
    89,905,057.52/124,068,979.82 = 48,651,950.30/x
  3. Step 3: Cross multiply
    89,905,057.52x = 124,068,979.82 × 48,651,950.30
  4. Step 4: Simplify right side
    89,905,057.52x = 6,036,197,839,731,083
  5. Step 5: Solve for x
    x = 6,036,197,839,731,083/89,905,057.52
  6. Step 6: Final answer
    x = 67,139,691.65

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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.