Home / 72,503,207.40-108,754,811.10-40,254,580.20

Finding the Fourth Proportional to 72,503,207.40, 108,754,811.10 and 40,254,580.20

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Solution

The fourth proportional to 72,503,207.40, 108,754,811.10 and 40,254,580.20 is: 60,381,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,503,207.40 : 108,754,811.10 = 40,254,580.20 : x
  2. Step 2: Convert to fraction form
    72,503,207.40/108,754,811.10 = 40,254,580.20/x
  3. Step 3: Cross multiply
    72,503,207.40x = 108,754,811.10 × 40,254,580.20
  4. Step 4: Simplify right side
    72,503,207.40x = 4,377,879,265,560,800.50
  5. Step 5: Solve for x
    x = 4,377,879,265,560,800.50/72,503,207.40
  6. Step 6: Final answer
    x = 60,381,870.30

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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.