Home / 107,879,356.80-161,819,035.20-106,087,766.40

Finding the Fourth Proportional to 107,879,356.80, 161,819,035.20 and 106,087,766.40

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Solution

The fourth proportional to 107,879,356.80, 161,819,035.20 and 106,087,766.40 is: 159,131,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,879,356.80 : 161,819,035.20 = 106,087,766.40 : x
  2. Step 2: Convert to fraction form
    107,879,356.80/161,819,035.20 = 106,087,766.40/x
  3. Step 3: Cross multiply
    107,879,356.80x = 161,819,035.20 × 106,087,766.40
  4. Step 4: Simplify right side
    107,879,356.80x = 17,167,020,005,370,976
  5. Step 5: Solve for x
    x = 17,167,020,005,370,976/107,879,356.80
  6. Step 6: Final answer
    x = 159,131,649.60

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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.