Home / 72,344,450.40-108,516,675.60-58,739,560.80

Finding the Fourth Proportional to 72,344,450.40, 108,516,675.60 and 58,739,560.80

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Solution

The fourth proportional to 72,344,450.40, 108,516,675.60 and 58,739,560.80 is: 88,109,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,344,450.40 : 108,516,675.60 = 58,739,560.80 : x
  2. Step 2: Convert to fraction form
    72,344,450.40/108,516,675.60 = 58,739,560.80/x
  3. Step 3: Cross multiply
    72,344,450.40x = 108,516,675.60 × 58,739,560.80
  4. Step 4: Simplify right side
    72,344,450.40x = 6,374,221,864,220,076
  5. Step 5: Solve for x
    x = 6,374,221,864,220,076/72,344,450.40
  6. Step 6: Final answer
    x = 88,109,341.20

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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.