Home / 78,856,226.10-118,284,339.15-55,897,974.90

Finding the Fourth Proportional to 78,856,226.10, 118,284,339.15 and 55,897,974.90

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Solution

The fourth proportional to 78,856,226.10, 118,284,339.15 and 55,897,974.90 is: 83,846,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,856,226.10 : 118,284,339.15 = 55,897,974.90 : x
  2. Step 2: Convert to fraction form
    78,856,226.10/118,284,339.15 = 55,897,974.90/x
  3. Step 3: Cross multiply
    78,856,226.10x = 118,284,339.15 × 55,897,974.90
  4. Step 4: Simplify right side
    78,856,226.10x = 6,611,855,020,869,787
  5. Step 5: Solve for x
    x = 6,611,855,020,869,787/78,856,226.10
  6. Step 6: Final answer
    x = 83,846,962.35

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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.