Home / 170,085,128.40-254,455,846.20-147,615,598.80

Finding the Fourth Proportional to 170,085,128.40, 254,455,846.20 and 147,615,598.80

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Solution

The fourth proportional to 170,085,128.40, 254,455,846.20 and 147,615,598.80 is: 220,840,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,085,128.40 : 254,455,846.20 = 147,615,598.80 : x
  2. Step 2: Convert to fraction form
    170,085,128.40/254,455,846.20 = 147,615,598.80/x
  3. Step 3: Cross multiply
    170,085,128.40x = 254,455,846.20 × 147,615,598.80
  4. Step 4: Simplify right side
    170,085,128.40x = 37,561,652,104,973,704
  5. Step 5: Solve for x
    x = 37,561,652,104,973,704/170,085,128.40
  6. Step 6: Final answer
    x = 220,840,307.78

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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.