Home / 128,304,090.15-192,456,135.23-60,153,670.95

Finding the Fourth Proportional to 128,304,090.15, 192,456,135.23 and 60,153,670.95

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Solution

The fourth proportional to 128,304,090.15, 192,456,135.23 and 60,153,670.95 is: 90,230,506.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,090.15 : 192,456,135.23 = 60,153,670.95 : x
  2. Step 2: Convert to fraction form
    128,304,090.15/192,456,135.23 = 60,153,670.95/x
  3. Step 3: Cross multiply
    128,304,090.15x = 192,456,135.23 × 60,153,670.95
  4. Step 4: Simplify right side
    128,304,090.15x = 11,576,943,030,633,354
  5. Step 5: Solve for x
    x = 11,576,943,030,633,354/128,304,090.15
  6. Step 6: Final answer
    x = 90,230,506.43

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1.5x scale

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.