Home / 69,298,887,890.88-103,769,309,060.76-47,827,703,878.70

Finding the Fourth Proportional to 69,298,887,890.88, 103,769,309,060.76 and 47,827,703,878.70

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Solution

The fourth proportional to 69,298,887,890.88, 103,769,309,060.76 and 47,827,703,878.70 is: 71,618,000,468.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,298,887,890.88 : 103,769,309,060.76 = 47,827,703,878.70 : x
  2. Step 2: Convert to fraction form
    69,298,887,890.88/103,769,309,060.76 = 47,827,703,878.70/x
  3. Step 3: Cross multiply
    69,298,887,890.88x = 103,769,309,060.76 × 47,827,703,878.70
  4. Step 4: Simplify right side
    69,298,887,890.88x = 4,963,047,785,454,811,217,920
  5. Step 5: Solve for x
    x = 4,963,047,785,454,811,217,920/69,298,887,890.88
  6. Step 6: Final answer
    x = 71,618,000,468.78

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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.