Home / 103,638,920,171.20-155,515,743,990.72-50,580,392,803.20

Finding the Fourth Proportional to 103,638,920,171.20, 155,515,743,990.72 and 50,580,392,803.20

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Solution

The fourth proportional to 103,638,920,171.20, 155,515,743,990.72 and 50,580,392,803.20 is: 75,898,585,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,638,920,171.20 : 155,515,743,990.72 = 50,580,392,803.20 : x
  2. Step 2: Convert to fraction form
    103,638,920,171.20/155,515,743,990.72 = 50,580,392,803.20/x
  3. Step 3: Cross multiply
    103,638,920,171.20x = 155,515,743,990.72 × 50,580,392,803.20
  4. Step 4: Simplify right side
    103,638,920,171.20x = 7,866,047,418,132,506,607,616
  5. Step 5: Solve for x
    x = 7,866,047,418,132,506,607,616/103,638,920,171.20
  6. Step 6: Final answer
    x = 75,898,585,252.90

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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.