Home / 71,417,171.21-107,124,799.10-19,601,712.63

Finding the Fourth Proportional to 71,417,171.21, 107,124,799.10 and 19,601,712.63

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Solution

The fourth proportional to 71,417,171.21, 107,124,799.10 and 19,601,712.63 is: 29,402,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,417,171.21 : 107,124,799.10 = 19,601,712.63 : x
  2. Step 2: Convert to fraction form
    71,417,171.21/107,124,799.10 = 19,601,712.63/x
  3. Step 3: Cross multiply
    71,417,171.21x = 107,124,799.10 × 19,601,712.63
  4. Step 4: Simplify right side
    71,417,171.21x = 2,099,829,527,406,674
  5. Step 5: Solve for x
    x = 2,099,829,527,406,674/71,417,171.21
  6. Step 6: Final answer
    x = 29,402,306.08

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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.