Home / 388,656,387.20-582,990,801.60-101,442,051.20

Finding the Fourth Proportional to 388,656,387.20, 582,990,801.60 and 101,442,051.20

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Solution

The fourth proportional to 388,656,387.20, 582,990,801.60 and 101,442,051.20 is: 152,164,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,656,387.20 : 582,990,801.60 = 101,442,051.20 : x
  2. Step 2: Convert to fraction form
    388,656,387.20/582,990,801.60 = 101,442,051.20/x
  3. Step 3: Cross multiply
    388,656,387.20x = 582,990,801.60 × 101,442,051.20
  4. Step 4: Simplify right side
    388,656,387.20x = 59,139,782,745,036,248
  5. Step 5: Solve for x
    x = 59,139,782,745,036,248/388,656,387.20
  6. Step 6: Final answer
    x = 152,164,700.47

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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.