Home / 73,286,645.40-109,929,968.10-25,417,589.40

Finding the Fourth Proportional to 73,286,645.40, 109,929,968.10 and 25,417,589.40

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Solution

The fourth proportional to 73,286,645.40, 109,929,968.10 and 25,417,589.40 is: 38,126,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,286,645.40 : 109,929,968.10 = 25,417,589.40 : x
  2. Step 2: Convert to fraction form
    73,286,645.40/109,929,968.10 = 25,417,589.40/x
  3. Step 3: Cross multiply
    73,286,645.40x = 109,929,968.10 × 25,417,589.40
  4. Step 4: Simplify right side
    73,286,645.40x = 2,794,154,791,920,898
  5. Step 5: Solve for x
    x = 2,794,154,791,920,898/73,286,645.40
  6. Step 6: Final answer
    x = 38,126,384.10

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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.