Home / 83,663,017.29-115,468,655.90-69,702,234.48

Finding the Fourth Proportional to 83,663,017.29, 115,468,655.90 and 69,702,234.48

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Solution

The fourth proportional to 83,663,017.29, 115,468,655.90 and 69,702,234.48 is: 96,200,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,663,017.29 : 115,468,655.90 = 69,702,234.48 : x
  2. Step 2: Convert to fraction form
    83,663,017.29/115,468,655.90 = 69,702,234.48/x
  3. Step 3: Cross multiply
    83,663,017.29x = 115,468,655.90 × 69,702,234.48
  4. Step 4: Simplify right side
    83,663,017.29x = 8,048,423,328,283,724
  5. Step 5: Solve for x
    x = 8,048,423,328,283,724/83,663,017.29
  6. Step 6: Final answer
    x = 96,200,490.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.