Home / 126,820,002.60-190,288,986.30-66,304,060.20

Finding the Fourth Proportional to 126,820,002.60, 190,288,986.30 and 66,304,060.20

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Solution

The fourth proportional to 126,820,002.60, 190,288,986.30 and 66,304,060.20 is: 99,486,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,820,002.60 : 190,288,986.30 = 66,304,060.20 : x
  2. Step 2: Convert to fraction form
    126,820,002.60/190,288,986.30 = 66,304,060.20/x
  3. Step 3: Cross multiply
    126,820,002.60x = 190,288,986.30 × 66,304,060.20
  4. Step 4: Simplify right side
    126,820,002.60x = 12,616,932,403,032,176
  5. Step 5: Solve for x
    x = 12,616,932,403,032,176/126,820,002.60
  6. Step 6: Final answer
    x = 99,486,927.49

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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.