Home / 90,227,950.80-124,511,350.18-51,068,886.56

Finding the Fourth Proportional to 90,227,950.80, 124,511,350.18 and 51,068,886.56

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Solution

The fourth proportional to 90,227,950.80, 124,511,350.18 and 51,068,886.56 is: 70,473,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227,950.80 : 124,511,350.18 = 51,068,886.56 : x
  2. Step 2: Convert to fraction form
    90,227,950.80/124,511,350.18 = 51,068,886.56/x
  3. Step 3: Cross multiply
    90,227,950.80x = 124,511,350.18 × 51,068,886.56
  4. Step 4: Simplify right side
    90,227,950.80x = 6,358,656,017,774,856
  5. Step 5: Solve for x
    x = 6,358,656,017,774,856/90,227,950.80
  6. Step 6: Final answer
    x = 70,473,239.85

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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.