Home / 100,537,708.60-150,806,562.90-71,202,165.40

Finding the Fourth Proportional to 100,537,708.60, 150,806,562.90 and 71,202,165.40

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Solution

The fourth proportional to 100,537,708.60, 150,806,562.90 and 71,202,165.40 is: 106,803,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,537,708.60 : 150,806,562.90 = 71,202,165.40 : x
  2. Step 2: Convert to fraction form
    100,537,708.60/150,806,562.90 = 71,202,165.40/x
  3. Step 3: Cross multiply
    100,537,708.60x = 150,806,562.90 × 71,202,165.40
  4. Step 4: Simplify right side
    100,537,708.60x = 10,737,753,835,011,304
  5. Step 5: Solve for x
    x = 10,737,753,835,011,304/100,537,708.60
  6. Step 6: Final answer
    x = 106,803,248.10

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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.