Home / 67,024,892.28-100,537,343.88-21,586,686.78

Finding the Fourth Proportional to 67,024,892.28, 100,537,343.88 and 21,586,686.78

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Solution

The fourth proportional to 67,024,892.28, 100,537,343.88 and 21,586,686.78 is: 32,380,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,024,892.28 : 100,537,343.88 = 21,586,686.78 : x
  2. Step 2: Convert to fraction form
    67,024,892.28/100,537,343.88 = 21,586,686.78/x
  3. Step 3: Cross multiply
    67,024,892.28x = 100,537,343.88 × 21,586,686.78
  4. Step 4: Simplify right side
    67,024,892.28x = 2,170,268,152,030,710
  5. Step 5: Solve for x
    x = 2,170,268,152,030,710/67,024,892.28
  6. Step 6: Final answer
    x = 32,380,031.93

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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.