Home / 90,227,955.18-124,511,356.23-51,068,890.92

Finding the Fourth Proportional to 90,227,955.18, 124,511,356.23 and 51,068,890.92

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Solution

The fourth proportional to 90,227,955.18, 124,511,356.23 and 51,068,890.92 is: 70,473,245.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227,955.18 : 124,511,356.23 = 51,068,890.92 : x
  2. Step 2: Convert to fraction form
    90,227,955.18/124,511,356.23 = 51,068,890.92/x
  3. Step 3: Cross multiply
    90,227,955.18x = 124,511,356.23 × 51,068,890.92
  4. Step 4: Simplify right side
    90,227,955.18x = 6,358,656,869,611,133
  5. Step 5: Solve for x
    x = 6,358,656,869,611,133/90,227,955.18
  6. Step 6: Final answer
    x = 70,473,245.87

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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.