Home / 67,041,182.79-100,545,830.28-18,517,962.24

Finding the Fourth Proportional to 67,041,182.79, 100,545,830.28 and 18,517,962.24

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Solution

The fourth proportional to 67,041,182.79, 100,545,830.28 and 18,517,962.24 is: 27,772,539.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,041,182.79 : 100,545,830.28 = 18,517,962.24 : x
  2. Step 2: Convert to fraction form
    67,041,182.79/100,545,830.28 = 18,517,962.24/x
  3. Step 3: Cross multiply
    67,041,182.79x = 100,545,830.28 × 18,517,962.24
  4. Step 4: Simplify right side
    67,041,182.79x = 1,861,903,888,514,488.50
  5. Step 5: Solve for x
    x = 1,861,903,888,514,488.50/67,041,182.79
  6. Step 6: Final answer
    x = 27,772,539.37

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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.