Home / 68,832,509.47-103,251,613.43-20,310,363.29

Finding the Fourth Proportional to 68,832,509.47, 103,251,613.43 and 20,310,363.29

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Solution

The fourth proportional to 68,832,509.47, 103,251,613.43 and 20,310,363.29 is: 30,466,385.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,832,509.47 : 103,251,613.43 = 20,310,363.29 : x
  2. Step 2: Convert to fraction form
    68,832,509.47/103,251,613.43 = 20,310,363.29/x
  3. Step 3: Cross multiply
    68,832,509.47x = 103,251,613.43 × 20,310,363.29
  4. Step 4: Simplify right side
    68,832,509.47x = 2,097,077,779,350,848
  5. Step 5: Solve for x
    x = 2,097,077,779,350,848/68,832,509.47
  6. Step 6: Final answer
    x = 30,466,385.66

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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.