Home / 106,024,139.70-159,036,209.55-85,868,747.70

Finding the Fourth Proportional to 106,024,139.70, 159,036,209.55 and 85,868,747.70

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Solution

The fourth proportional to 106,024,139.70, 159,036,209.55 and 85,868,747.70 is: 128,803,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,024,139.70 : 159,036,209.55 = 85,868,747.70 : x
  2. Step 2: Convert to fraction form
    106,024,139.70/159,036,209.55 = 85,868,747.70/x
  3. Step 3: Cross multiply
    106,024,139.70x = 159,036,209.55 × 85,868,747.70
  4. Step 4: Simplify right side
    106,024,139.70x = 13,656,240,153,013,282
  5. Step 5: Solve for x
    x = 13,656,240,153,013,282/106,024,139.70
  6. Step 6: Final answer
    x = 128,803,121.55

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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.