Home / 145,550,810.78-200,858,595.50-79,471,104.23

Finding the Fourth Proportional to 145,550,810.78, 200,858,595.50 and 79,471,104.23

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Solution

The fourth proportional to 145,550,810.78, 200,858,595.50 and 79,471,104.23 is: 109,669,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,550,810.78 : 200,858,595.50 = 79,471,104.23 : x
  2. Step 2: Convert to fraction form
    145,550,810.78/200,858,595.50 = 79,471,104.23/x
  3. Step 3: Cross multiply
    145,550,810.78x = 200,858,595.50 × 79,471,104.23
  4. Step 4: Simplify right side
    145,550,810.78x = 15,962,454,377,070,260
  5. Step 5: Solve for x
    x = 15,962,454,377,070,260/145,550,810.78
  6. Step 6: Final answer
    x = 109,669,292.06

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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.