Home / 69,488,178.76-95,905,182.22-38,558,312.56

Finding the Fourth Proportional to 69,488,178.76, 95,905,182.22 and 38,558,312.56

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Solution

The fourth proportional to 69,488,178.76, 95,905,182.22 and 38,558,312.56 is: 53,216,850.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,488,178.76 : 95,905,182.22 = 38,558,312.56 : x
  2. Step 2: Convert to fraction form
    69,488,178.76/95,905,182.22 = 38,558,312.56/x
  3. Step 3: Cross multiply
    69,488,178.76x = 95,905,182.22 × 38,558,312.56
  4. Step 4: Simplify right side
    69,488,178.76x = 3,697,941,992,162,515
  5. Step 5: Solve for x
    x = 3,697,941,992,162,515/69,488,178.76
  6. Step 6: Final answer
    x = 53,216,850.09

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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.