Home / 67,691,515.21-101,535,335.04-19,169,254.25

Finding the Fourth Proportional to 67,691,515.21, 101,535,335.04 and 19,169,254.25

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Solution

The fourth proportional to 67,691,515.21, 101,535,335.04 and 19,169,254.25 is: 28,753,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,691,515.21 : 101,535,335.04 = 19,169,254.25 : x
  2. Step 2: Convert to fraction form
    67,691,515.21/101,535,335.04 = 19,169,254.25/x
  3. Step 3: Cross multiply
    67,691,515.21x = 101,535,335.04 × 19,169,254.25
  4. Step 4: Simplify right side
    67,691,515.21x = 1,946,356,652,740,694
  5. Step 5: Solve for x
    x = 1,946,356,652,740,694/67,691,515.21
  6. Step 6: Final answer
    x = 28,753,332.63

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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.