Home / 67,155,287.40-100,732,931.10-18,633,047.40

Finding the Fourth Proportional to 67,155,287.40, 100,732,931.10 and 18,633,047.40

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Solution

The fourth proportional to 67,155,287.40, 100,732,931.10 and 18,633,047.40 is: 27,949,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,155,287.40 : 100,732,931.10 = 18,633,047.40 : x
  2. Step 2: Convert to fraction form
    67,155,287.40/100,732,931.10 = 18,633,047.40/x
  3. Step 3: Cross multiply
    67,155,287.40x = 100,732,931.10 × 18,633,047.40
  4. Step 4: Simplify right side
    67,155,287.40x = 1,876,961,479,927,234
  5. Step 5: Solve for x
    x = 1,876,961,479,927,234/67,155,287.40
  6. Step 6: Final answer
    x = 27,949,571.10

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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.