Home / 80,779,038,577.80-121,168,557,866.70-74,167,062,232.20

Finding the Fourth Proportional to 80,779,038,577.80, 121,168,557,866.70 and 74,167,062,232.20

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Solution

The fourth proportional to 80,779,038,577.80, 121,168,557,866.70 and 74,167,062,232.20 is: 111,250,593,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,779,038,577.80 : 121,168,557,866.70 = 74,167,062,232.20 : x
  2. Step 2: Convert to fraction form
    80,779,038,577.80/121,168,557,866.70 = 74,167,062,232.20/x
  3. Step 3: Cross multiply
    80,779,038,577.80x = 121,168,557,866.70 × 74,167,062,232.20
  4. Step 4: Simplify right side
    80,779,038,577.80x = 8,986,715,971,885,465,600,000
  5. Step 5: Solve for x
    x = 8,986,715,971,885,465,600,000/80,779,038,577.80
  6. Step 6: Final answer
    x = 111,250,593,348.30

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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.