Home / 80,779,034,016.10-121,168,551,024.15-54,331,128,633.70

Finding the Fourth Proportional to 80,779,034,016.10, 121,168,551,024.15 and 54,331,128,633.70

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Solution

The fourth proportional to 80,779,034,016.10, 121,168,551,024.15 and 54,331,128,633.70 is: 81,496,692,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,779,034,016.10 : 121,168,551,024.15 = 54,331,128,633.70 : x
  2. Step 2: Convert to fraction form
    80,779,034,016.10/121,168,551,024.15 = 54,331,128,633.70/x
  3. Step 3: Cross multiply
    80,779,034,016.10x = 121,168,551,024.15 × 54,331,128,633.70
  4. Step 4: Simplify right side
    80,779,034,016.10x = 6,583,224,132,052,134,658,048
  5. Step 5: Solve for x
    x = 6,583,224,132,052,134,658,048/80,779,034,016.10
  6. Step 6: Final answer
    x = 81,496,692,950.55

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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.