Home / 140,471,919,494.86-193,851,392,370.30-76,242,657,045.42

Finding the Fourth Proportional to 140,471,919,494.86, 193,851,392,370.30 and 76,242,657,045.42

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Solution

The fourth proportional to 140,471,919,494.86, 193,851,392,370.30 and 76,242,657,045.42 is: 105,214,944,591.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,471,919,494.86 : 193,851,392,370.30 = 76,242,657,045.42 : x
  2. Step 2: Convert to fraction form
    140,471,919,494.86/193,851,392,370.30 = 76,242,657,045.42/x
  3. Step 3: Cross multiply
    140,471,919,494.86x = 193,851,392,370.30 × 76,242,657,045.42
  4. Step 4: Simplify right side
    140,471,919,494.86x = 14,779,745,226,265,928,400,896
  5. Step 5: Solve for x
    x = 14,779,745,226,265,928,400,896/140,471,919,494.86
  6. Step 6: Final answer
    x = 105,214,944,591.16

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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.