Home / 253,403,861.76-349,697,329.20-137,510,357.76

Finding the Fourth Proportional to 253,403,861.76, 349,697,329.20 and 137,510,357.76

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Solution

The fourth proportional to 253,403,861.76, 349,697,329.20 and 137,510,357.76 is: 189,764,293.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,403,861.76 : 349,697,329.20 = 137,510,357.76 : x
  2. Step 2: Convert to fraction form
    253,403,861.76/349,697,329.20 = 137,510,357.76/x
  3. Step 3: Cross multiply
    253,403,861.76x = 349,697,329.20 × 137,510,357.76
  4. Step 4: Simplify right side
    253,403,861.76x = 48,087,004,846,008,488
  5. Step 5: Solve for x
    x = 48,087,004,846,008,488/253,403,861.76
  6. Step 6: Final answer
    x = 189,764,293.69

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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.