Home / 71,358,339.80-107,037,509.70-49,834,979.30

Finding the Fourth Proportional to 71,358,339.80, 107,037,509.70 and 49,834,979.30

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Solution

The fourth proportional to 71,358,339.80, 107,037,509.70 and 49,834,979.30 is: 74,752,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,358,339.80 : 107,037,509.70 = 49,834,979.30 : x
  2. Step 2: Convert to fraction form
    71,358,339.80/107,037,509.70 = 49,834,979.30/x
  3. Step 3: Cross multiply
    71,358,339.80x = 107,037,509.70 × 49,834,979.30
  4. Step 4: Simplify right side
    71,358,339.80x = 5,334,212,080,223,049
  5. Step 5: Solve for x
    x = 5,334,212,080,223,049/71,358,339.80
  6. Step 6: Final answer
    x = 74,752,468.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.