Home / 253,403,863.39-349,697,331.45-137,510,359.39

Finding the Fourth Proportional to 253,403,863.39, 349,697,331.45 and 137,510,359.39

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Solution

The fourth proportional to 253,403,863.39, 349,697,331.45 and 137,510,359.39 is: 189,764,295.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,403,863.39 : 349,697,331.45 = 137,510,359.39 : x
  2. Step 2: Convert to fraction form
    253,403,863.39/349,697,331.45 = 137,510,359.39/x
  3. Step 3: Cross multiply
    253,403,863.39x = 349,697,331.45 × 137,510,359.39
  4. Step 4: Simplify right side
    253,403,863.39x = 48,087,005,722,977,408
  5. Step 5: Solve for x
    x = 48,087,005,722,977,408/253,403,863.39
  6. Step 6: Final answer
    x = 189,764,295.94

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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.