Home / 124,079,949.20-186,203,904.60-55,887,539.60

Finding the Fourth Proportional to 124,079,949.20, 186,203,904.60 and 55,887,539.60

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Solution

The fourth proportional to 124,079,949.20, 186,203,904.60 and 55,887,539.60 is: 83,869,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,079,949.20 : 186,203,904.60 = 55,887,539.60 : x
  2. Step 2: Convert to fraction form
    124,079,949.20/186,203,904.60 = 55,887,539.60/x
  3. Step 3: Cross multiply
    124,079,949.20x = 186,203,904.60 × 55,887,539.60
  4. Step 4: Simplify right side
    124,079,949.20x = 10,406,478,092,007,122
  5. Step 5: Solve for x
    x = 10,406,478,092,007,122/124,079,949.20
  6. Step 6: Final answer
    x = 83,869,135.66

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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.