Home / 129,026,807.20-193,556,799.60-64,363,664.80

Finding the Fourth Proportional to 129,026,807.20, 193,556,799.60 and 64,363,664.80

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Solution

The fourth proportional to 129,026,807.20, 193,556,799.60 and 64,363,664.80 is: 96,553,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,026,807.20 : 193,556,799.60 = 64,363,664.80 : x
  2. Step 2: Convert to fraction form
    129,026,807.20/193,556,799.60 = 64,363,664.80/x
  3. Step 3: Cross multiply
    129,026,807.20x = 193,556,799.60 × 64,363,664.80
  4. Step 4: Simplify right side
    129,026,807.20x = 12,458,024,969,215,174
  5. Step 5: Solve for x
    x = 12,458,024,969,215,174/129,026,807.20
  6. Step 6: Final answer
    x = 96,553,772.35

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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.