Home / 221,535,925.20-305,715,097.80-134,643,790.80

Finding the Fourth Proportional to 221,535,925.20, 305,715,097.80 and 134,643,790.80

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Solution

The fourth proportional to 221,535,925.20, 305,715,097.80 and 134,643,790.80 is: 185,805,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,535,925.20 : 305,715,097.80 = 134,643,790.80 : x
  2. Step 2: Convert to fraction form
    221,535,925.20/305,715,097.80 = 134,643,790.80/x
  3. Step 3: Cross multiply
    221,535,925.20x = 305,715,097.80 × 134,643,790.80
  4. Step 4: Simplify right side
    221,535,925.20x = 41,162,639,672,584,744
  5. Step 5: Solve for x
    x = 41,162,639,672,584,744/221,535,925.20
  6. Step 6: Final answer
    x = 185,805,709.10

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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.