Home / 100,537,710.10-150,806,565.15-71,202,166.90

Finding the Fourth Proportional to 100,537,710.10, 150,806,565.15 and 71,202,166.90

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Solution

The fourth proportional to 100,537,710.10, 150,806,565.15 and 71,202,166.90 is: 106,803,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,537,710.10 : 150,806,565.15 = 71,202,166.90 : x
  2. Step 2: Convert to fraction form
    100,537,710.10/150,806,565.15 = 71,202,166.90/x
  3. Step 3: Cross multiply
    100,537,710.10x = 150,806,565.15 × 71,202,166.90
  4. Step 4: Simplify right side
    100,537,710.10x = 10,737,754,221,426,024
  5. Step 5: Solve for x
    x = 10,737,754,221,426,024/100,537,710.10
  6. Step 6: Final answer
    x = 106,803,250.35

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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.