Home / 157,465,359.10-236,198,038.65-71,206,579.90

Finding the Fourth Proportional to 157,465,359.10, 236,198,038.65 and 71,206,579.90

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Solution

The fourth proportional to 157,465,359.10, 236,198,038.65 and 71,206,579.90 is: 106,809,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,359.10 : 236,198,038.65 = 71,206,579.90 : x
  2. Step 2: Convert to fraction form
    157,465,359.10/236,198,038.65 = 71,206,579.90/x
  3. Step 3: Cross multiply
    157,465,359.10x = 236,198,038.65 × 71,206,579.90
  4. Step 4: Simplify right side
    157,465,359.10x = 16,818,854,511,354,514
  5. Step 5: Solve for x
    x = 16,818,854,511,354,514/157,465,359.10
  6. Step 6: Final answer
    x = 106,809,869.85

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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.