Home / 170,085,130.40-254,455,849.20-147,615,600.80

Finding the Fourth Proportional to 170,085,130.40, 254,455,849.20 and 147,615,600.80

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Solution

The fourth proportional to 170,085,130.40, 254,455,849.20 and 147,615,600.80 is: 220,840,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,085,130.40 : 254,455,849.20 = 147,615,600.80 : x
  2. Step 2: Convert to fraction form
    170,085,130.40/254,455,849.20 = 147,615,600.80/x
  3. Step 3: Cross multiply
    170,085,130.40x = 254,455,849.20 × 147,615,600.80
  4. Step 4: Simplify right side
    170,085,130.40x = 37,561,653,056,732,200
  5. Step 5: Solve for x
    x = 37,561,653,056,732,200/170,085,130.40
  6. Step 6: Final answer
    x = 220,840,310.78

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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.