Home / 106,290,205.70-159,435,308.55-80,592,080.90

Finding the Fourth Proportional to 106,290,205.70, 159,435,308.55 and 80,592,080.90

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Solution

The fourth proportional to 106,290,205.70, 159,435,308.55 and 80,592,080.90 is: 120,888,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,290,205.70 : 159,435,308.55 = 80,592,080.90 : x
  2. Step 2: Convert to fraction form
    106,290,205.70/159,435,308.55 = 80,592,080.90/x
  3. Step 3: Cross multiply
    106,290,205.70x = 159,435,308.55 × 80,592,080.90
  4. Step 4: Simplify right side
    106,290,205.70x = 12,849,223,284,978,064
  5. Step 5: Solve for x
    x = 12,849,223,284,978,064/106,290,205.70
  6. Step 6: Final answer
    x = 120,888,121.35

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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.