Home / 140,471,919,418.11-193,851,392,264.19-76,242,656,968.43

Finding the Fourth Proportional to 140,471,919,418.11, 193,851,392,264.19 and 76,242,656,968.43

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Solution

The fourth proportional to 140,471,919,418.11, 193,851,392,264.19 and 76,242,656,968.43 is: 105,214,944,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,471,919,418.11 : 193,851,392,264.19 = 76,242,656,968.43 : x
  2. Step 2: Convert to fraction form
    140,471,919,418.11/193,851,392,264.19 = 76,242,656,968.43/x
  3. Step 3: Cross multiply
    140,471,919,418.11x = 193,851,392,264.19 × 76,242,656,968.43
  4. Step 4: Simplify right side
    140,471,919,418.11x = 14,779,745,203,251,201,441,792
  5. Step 5: Solve for x
    x = 14,779,745,203,251,201,441,792/140,471,919,418.11
  6. Step 6: Final answer
    x = 105,214,944,484.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.