Home / 79,746,916.10-119,620,374.15-28,622,291.90

Finding the Fourth Proportional to 79,746,916.10, 119,620,374.15 and 28,622,291.90

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Solution

The fourth proportional to 79,746,916.10, 119,620,374.15 and 28,622,291.90 is: 42,933,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746,916.10 : 119,620,374.15 = 28,622,291.90 : x
  2. Step 2: Convert to fraction form
    79,746,916.10/119,620,374.15 = 28,622,291.90/x
  3. Step 3: Cross multiply
    79,746,916.10x = 119,620,374.15 × 28,622,291.90
  4. Step 4: Simplify right side
    79,746,916.10x = 3,423,809,266,108,514.50
  5. Step 5: Solve for x
    x = 3,423,809,266,108,514.50/79,746,916.10
  6. Step 6: Final answer
    x = 42,933,437.85

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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.