Home / 72,913,211.28-109,393,760.28-29,818,657.68

Finding the Fourth Proportional to 72,913,211.28, 109,393,760.28 and 29,818,657.68

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Solution

The fourth proportional to 72,913,211.28, 109,393,760.28 and 29,818,657.68 is: 44,737,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,913,211.28 : 109,393,760.28 = 29,818,657.68 : x
  2. Step 2: Convert to fraction form
    72,913,211.28/109,393,760.28 = 29,818,657.68/x
  3. Step 3: Cross multiply
    72,913,211.28x = 109,393,760.28 × 29,818,657.68
  4. Step 4: Simplify right side
    72,913,211.28x = 3,261,975,090,117,301
  5. Step 5: Solve for x
    x = 3,261,975,090,117,301/72,913,211.28
  6. Step 6: Final answer
    x = 44,737,778.42

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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.