Home / 78,614,824.14-108,488,889.18-45,594,653.70

Finding the Fourth Proportional to 78,614,824.14, 108,488,889.18 and 45,594,653.70

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Solution

The fourth proportional to 78,614,824.14, 108,488,889.18 and 45,594,653.70 is: 62,920,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,614,824.14 : 108,488,889.18 = 45,594,653.70 : x
  2. Step 2: Convert to fraction form
    78,614,824.14/108,488,889.18 = 45,594,653.70/x
  3. Step 3: Cross multiply
    78,614,824.14x = 108,488,889.18 × 45,594,653.70
  4. Step 4: Simplify right side
    78,614,824.14x = 4,946,513,332,459,778
  5. Step 5: Solve for x
    x = 4,946,513,332,459,778/78,614,824.14
  6. Step 6: Final answer
    x = 62,920,872.58

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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.