Home / 124,608,225.40-186,912,338.10-81,610,055.80

Finding the Fourth Proportional to 124,608,225.40, 186,912,338.10 and 81,610,055.80

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Solution

The fourth proportional to 124,608,225.40, 186,912,338.10 and 81,610,055.80 is: 122,415,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,608,225.40 : 186,912,338.10 = 81,610,055.80 : x
  2. Step 2: Convert to fraction form
    124,608,225.40/186,912,338.10 = 81,610,055.80/x
  3. Step 3: Cross multiply
    124,608,225.40x = 186,912,338.10 × 81,610,055.80
  4. Step 4: Simplify right side
    124,608,225.40x = 15,253,926,342,049,464
  5. Step 5: Solve for x
    x = 15,253,926,342,049,464/124,608,225.40
  6. Step 6: Final answer
    x = 122,415,083.70

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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.