Home / 80,657,165,726.30-120,985,748,589.45-80,657,165,726.30

Finding the Fourth Proportional to 80,657,165,726.30, 120,985,748,589.45 and 80,657,165,726.30

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Solution

The fourth proportional to 80,657,165,726.30, 120,985,748,589.45 and 80,657,165,726.30 is: 120,985,748,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,657,165,726.30 : 120,985,748,589.45 = 80,657,165,726.30 : x
  2. Step 2: Convert to fraction form
    80,657,165,726.30/120,985,748,589.45 = 80,657,165,726.30/x
  3. Step 3: Cross multiply
    80,657,165,726.30x = 120,985,748,589.45 × 80,657,165,726.30
  4. Step 4: Simplify right side
    80,657,165,726.30x = 9,758,367,574,499,734,323,200
  5. Step 5: Solve for x
    x = 9,758,367,574,499,734,323,200/80,657,165,726.30
  6. Step 6: Final answer
    x = 120,985,748,589.45

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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.