Home / 80,779,038,566.80-121,168,557,850.20-74,167,062,221.20

Finding the Fourth Proportional to 80,779,038,566.80, 121,168,557,850.20 and 74,167,062,221.20

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Solution

The fourth proportional to 80,779,038,566.80, 121,168,557,850.20 and 74,167,062,221.20 is: 111,250,593,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,779,038,566.80 : 121,168,557,850.20 = 74,167,062,221.20 : x
  2. Step 2: Convert to fraction form
    80,779,038,566.80/121,168,557,850.20 = 74,167,062,221.20/x
  3. Step 3: Cross multiply
    80,779,038,566.80x = 121,168,557,850.20 × 74,167,062,221.20
  4. Step 4: Simplify right side
    80,779,038,566.80x = 8,986,715,969,328,854,859,776
  5. Step 5: Solve for x
    x = 8,986,715,969,328,854,859,776/80,779,038,566.80
  6. Step 6: Final answer
    x = 111,250,593,331.80

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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.