Home / 77,702,979.55-108,943,423.85-77,702,979.55

Finding the Fourth Proportional to 77,702,979.55, 108,943,423.85 and 77,702,979.55

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Solution

The fourth proportional to 77,702,979.55, 108,943,423.85 and 77,702,979.55 is: 108,943,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,702,979.55 : 108,943,423.85 = 77,702,979.55 : x
  2. Step 2: Convert to fraction form
    77,702,979.55/108,943,423.85 = 77,702,979.55/x
  3. Step 3: Cross multiply
    77,702,979.55x = 108,943,423.85 × 77,702,979.55
  4. Step 4: Simplify right side
    77,702,979.55x = 8,465,228,635,523,531
  5. Step 5: Solve for x
    x = 8,465,228,635,523,531/77,702,979.55
  6. Step 6: Final answer
    x = 108,943,423.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.