Home / 134,346,116.09-185,454,843.81-90,318,650.78

Finding the Fourth Proportional to 134,346,116.09, 185,454,843.81 and 90,318,650.78

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Solution

The fourth proportional to 134,346,116.09, 185,454,843.81 and 90,318,650.78 is: 124,678,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,346,116.09 : 185,454,843.81 = 90,318,650.78 : x
  2. Step 2: Convert to fraction form
    134,346,116.09/185,454,843.81 = 90,318,650.78/x
  3. Step 3: Cross multiply
    134,346,116.09x = 185,454,843.81 × 90,318,650.78
  4. Step 4: Simplify right side
    134,346,116.09x = 16,750,031,273,534,836
  5. Step 5: Solve for x
    x = 16,750,031,273,534,836/134,346,116.09
  6. Step 6: Final answer
    x = 124,678,195.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.