Home / 70,942,286.52-97,900,312.10-38,347,238.52

Finding the Fourth Proportional to 70,942,286.52, 97,900,312.10 and 38,347,238.52

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Solution

The fourth proportional to 70,942,286.52, 97,900,312.10 and 38,347,238.52 is: 52,919,165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942,286.52 : 97,900,312.10 = 38,347,238.52 : x
  2. Step 2: Convert to fraction form
    70,942,286.52/97,900,312.10 = 38,347,238.52/x
  3. Step 3: Cross multiply
    70,942,286.52x = 97,900,312.10 × 38,347,238.52
  4. Step 4: Simplify right side
    70,942,286.52x = 3,754,206,619,281,142
  5. Step 5: Solve for x
    x = 3,754,206,619,281,142/70,942,286.52
  6. Step 6: Final answer
    x = 52,919,165.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.