Home / 124,689,990.60-186,716,121.30-92,165,801.40

Finding the Fourth Proportional to 124,689,990.60, 186,716,121.30 and 92,165,801.40

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Solution

The fourth proportional to 124,689,990.60, 186,716,121.30 and 92,165,801.40 is: 138,013,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,689,990.60 : 186,716,121.30 = 92,165,801.40 : x
  2. Step 2: Convert to fraction form
    124,689,990.60/186,716,121.30 = 92,165,801.40/x
  3. Step 3: Cross multiply
    124,689,990.60x = 186,716,121.30 × 92,165,801.40
  4. Step 4: Simplify right side
    124,689,990.60x = 17,208,840,953,914,112
  5. Step 5: Solve for x
    x = 17,208,840,953,914,112/124,689,990.60
  6. Step 6: Final answer
    x = 138,013,010.28

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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.