Home / 72,582,959.20-108,874,438.80-49,590,882.40

Finding the Fourth Proportional to 72,582,959.20, 108,874,438.80 and 49,590,882.40

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Solution

The fourth proportional to 72,582,959.20, 108,874,438.80 and 49,590,882.40 is: 74,386,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582,959.20 : 108,874,438.80 = 49,590,882.40 : x
  2. Step 2: Convert to fraction form
    72,582,959.20/108,874,438.80 = 49,590,882.40/x
  3. Step 3: Cross multiply
    72,582,959.20x = 108,874,438.80 × 49,590,882.40
  4. Step 4: Simplify right side
    72,582,959.20x = 5,399,179,490,896,797
  5. Step 5: Solve for x
    x = 5,399,179,490,896,797/72,582,959.20
  6. Step 6: Final answer
    x = 74,386,323.60

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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.