Home / 80,642,304,133.60-120,963,456,200.40-52,779,490,232.80

Finding the Fourth Proportional to 80,642,304,133.60, 120,963,456,200.40 and 52,779,490,232.80

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Solution

The fourth proportional to 80,642,304,133.60, 120,963,456,200.40 and 52,779,490,232.80 is: 79,169,235,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,642,304,133.60 : 120,963,456,200.40 = 52,779,490,232.80 : x
  2. Step 2: Convert to fraction form
    80,642,304,133.60/120,963,456,200.40 = 52,779,490,232.80/x
  3. Step 3: Cross multiply
    80,642,304,133.60x = 120,963,456,200.40 × 52,779,490,232.80
  4. Step 4: Simplify right side
    80,642,304,133.60x = 6,384,389,555,054,742,339,584
  5. Step 5: Solve for x
    x = 6,384,389,555,054,742,339,584/80,642,304,133.60
  6. Step 6: Final answer
    x = 79,169,235,349.20

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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.