Home / 71,337,915.20-98,454,727.20-42,364,539.20

Finding the Fourth Proportional to 71,337,915.20, 98,454,727.20 and 42,364,539.20

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Solution

The fourth proportional to 71,337,915.20, 98,454,727.20 and 42,364,539.20 is: 58,468,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,337,915.20 : 98,454,727.20 = 42,364,539.20 : x
  2. Step 2: Convert to fraction form
    71,337,915.20/98,454,727.20 = 42,364,539.20/x
  3. Step 3: Cross multiply
    71,337,915.20x = 98,454,727.20 × 42,364,539.20
  4. Step 4: Simplify right side
    71,337,915.20x = 4,170,989,149,889,706.50
  5. Step 5: Solve for x
    x = 4,170,989,149,889,706.50/71,337,915.20
  6. Step 6: Final answer
    x = 58,468,055.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.