Home / 106,454,862.90-159,682,294.35-72,442,638.90

Finding the Fourth Proportional to 106,454,862.90, 159,682,294.35 and 72,442,638.90

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Solution

The fourth proportional to 106,454,862.90, 159,682,294.35 and 72,442,638.90 is: 108,663,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,454,862.90 : 159,682,294.35 = 72,442,638.90 : x
  2. Step 2: Convert to fraction form
    106,454,862.90/159,682,294.35 = 72,442,638.90/x
  3. Step 3: Cross multiply
    106,454,862.90x = 159,682,294.35 × 72,442,638.90
  4. Step 4: Simplify right side
    106,454,862.90x = 11,567,806,788,320,560
  5. Step 5: Solve for x
    x = 11,567,806,788,320,560/106,454,862.90
  6. Step 6: Final answer
    x = 108,663,958.35

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1.5x scale

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.