Home / 52,488,007.20-78,669,025.20-26,915,853.60

Finding the Fourth Proportional to 52,488,007.20, 78,669,025.20 and 26,915,853.60

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Solution

The fourth proportional to 52,488,007.20, 78,669,025.20 and 26,915,853.60 is: 40,341,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,007.20 : 78,669,025.20 = 26,915,853.60 : x
  2. Step 2: Convert to fraction form
    52,488,007.20/78,669,025.20 = 26,915,853.60/x
  3. Step 3: Cross multiply
    52,488,007.20x = 78,669,025.20 × 26,915,853.60
  4. Step 4: Simplify right side
    52,488,007.20x = 2,117,443,965,137,911
  5. Step 5: Solve for x
    x = 2,117,443,965,137,911/52,488,007.20
  6. Step 6: Final answer
    x = 40,341,481.38

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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.