Home / 80,642,304,014.60-120,963,456,021.90-52,779,490,113.80

Finding the Fourth Proportional to 80,642,304,014.60, 120,963,456,021.90 and 52,779,490,113.80

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Solution

The fourth proportional to 80,642,304,014.60, 120,963,456,021.90 and 52,779,490,113.80 is: 79,169,235,170.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,642,304,014.60 : 120,963,456,021.90 = 52,779,490,113.80 : x
  2. Step 2: Convert to fraction form
    80,642,304,014.60/120,963,456,021.90 = 52,779,490,113.80/x
  3. Step 3: Cross multiply
    80,642,304,014.60x = 120,963,456,021.90 × 52,779,490,113.80
  4. Step 4: Simplify right side
    80,642,304,014.60x = 6,384,389,531,238,952,599,552
  5. Step 5: Solve for x
    x = 6,384,389,531,238,952,599,552/80,642,304,014.60
  6. Step 6: Final answer
    x = 79,169,235,170.70

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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.