Home / 169,655,306.20-254,557,608.90-78,732,093.40

Finding the Fourth Proportional to 169,655,306.20, 254,557,608.90 and 78,732,093.40

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Solution

The fourth proportional to 169,655,306.20, 254,557,608.90 and 78,732,093.40 is: 118,132,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,655,306.20 : 254,557,608.90 = 78,732,093.40 : x
  2. Step 2: Convert to fraction form
    169,655,306.20/254,557,608.90 = 78,732,093.40/x
  3. Step 3: Cross multiply
    169,655,306.20x = 254,557,608.90 × 78,732,093.40
  4. Step 4: Simplify right side
    169,655,306.20x = 20,041,853,439,595,472
  5. Step 5: Solve for x
    x = 20,041,853,439,595,472/169,655,306.20
  6. Step 6: Final answer
    x = 118,132,782.81

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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.