Home / 129,147,398.64-193,618,795.62-64,417,884.84

Finding the Fourth Proportional to 129,147,398.64, 193,618,795.62 and 64,417,884.84

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Solution

The fourth proportional to 129,147,398.64, 193,618,795.62 and 64,417,884.84 is: 96,575,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,147,398.64 : 193,618,795.62 = 64,417,884.84 : x
  2. Step 2: Convert to fraction form
    129,147,398.64/193,618,795.62 = 64,417,884.84/x
  3. Step 3: Cross multiply
    129,147,398.64x = 193,618,795.62 × 64,417,884.84
  4. Step 4: Simplify right side
    129,147,398.64x = 12,472,513,279,108,658
  5. Step 5: Solve for x
    x = 12,472,513,279,108,658/129,147,398.64
  6. Step 6: Final answer
    x = 96,575,799.52

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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.