Home / 388,507,363.20-582,747,566.40-97,377,033.60

Finding the Fourth Proportional to 388,507,363.20, 582,747,566.40 and 97,377,033.60

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Solution

The fourth proportional to 388,507,363.20, 582,747,566.40 and 97,377,033.60 is: 146,062,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,507,363.20 : 582,747,566.40 = 97,377,033.60 : x
  2. Step 2: Convert to fraction form
    388,507,363.20/582,747,566.40 = 97,377,033.60/x
  3. Step 3: Cross multiply
    388,507,363.20x = 582,747,566.40 × 97,377,033.60
  4. Step 4: Simplify right side
    388,507,363.20x = 56,746,229,353,651,024
  5. Step 5: Solve for x
    x = 56,746,229,353,651,024/388,507,363.20
  6. Step 6: Final answer
    x = 146,062,172.12

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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.