Home / 71,217,720.40-106,826,580.60-49,676,645.20

Finding the Fourth Proportional to 71,217,720.40, 106,826,580.60 and 49,676,645.20

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Solution

The fourth proportional to 71,217,720.40, 106,826,580.60 and 49,676,645.20 is: 74,514,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,217,720.40 : 106,826,580.60 = 49,676,645.20 : x
  2. Step 2: Convert to fraction form
    71,217,720.40/106,826,580.60 = 49,676,645.20/x
  3. Step 3: Cross multiply
    71,217,720.40x = 106,826,580.60 × 49,676,645.20
  4. Step 4: Simplify right side
    71,217,720.40x = 5,306,786,142,395,403
  5. Step 5: Solve for x
    x = 5,306,786,142,395,403/71,217,720.40
  6. Step 6: Final answer
    x = 74,514,967.80

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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.