Home / 80,779,200,745.20-121,168,801,117.80-76,440,091,268.40

Finding the Fourth Proportional to 80,779,200,745.20, 121,168,801,117.80 and 76,440,091,268.40

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Solution

The fourth proportional to 80,779,200,745.20, 121,168,801,117.80 and 76,440,091,268.40 is: 114,660,136,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,779,200,745.20 : 121,168,801,117.80 = 76,440,091,268.40 : x
  2. Step 2: Convert to fraction form
    80,779,200,745.20/121,168,801,117.80 = 76,440,091,268.40/x
  3. Step 3: Cross multiply
    80,779,200,745.20x = 121,168,801,117.80 × 76,440,091,268.40
  4. Step 4: Simplify right side
    80,779,200,745.20x = 9,262,154,216,327,239,172,096
  5. Step 5: Solve for x
    x = 9,262,154,216,327,239,172,096/80,779,200,745.20
  6. Step 6: Final answer
    x = 114,660,136,902.60

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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.