Home / 128,304,064.40-192,456,096.60-60,153,645.20

Finding the Fourth Proportional to 128,304,064.40, 192,456,096.60 and 60,153,645.20

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Solution

The fourth proportional to 128,304,064.40, 192,456,096.60 and 60,153,645.20 is: 90,230,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,064.40 : 192,456,096.60 = 60,153,645.20 : x
  2. Step 2: Convert to fraction form
    128,304,064.40/192,456,096.60 = 60,153,645.20/x
  3. Step 3: Cross multiply
    128,304,064.40x = 192,456,096.60 × 60,153,645.20
  4. Step 4: Simplify right side
    128,304,064.40x = 11,576,935,751,453,326
  5. Step 5: Solve for x
    x = 11,576,935,751,453,326/128,304,064.40
  6. Step 6: Final answer
    x = 90,230,467.80

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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.