Home / 178,676,851.20-268,015,276.80-63,791,116.80

Finding the Fourth Proportional to 178,676,851.20, 268,015,276.80 and 63,791,116.80

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Solution

The fourth proportional to 178,676,851.20, 268,015,276.80 and 63,791,116.80 is: 95,686,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,676,851.20 : 268,015,276.80 = 63,791,116.80 : x
  2. Step 2: Convert to fraction form
    178,676,851.20/268,015,276.80 = 63,791,116.80/x
  3. Step 3: Cross multiply
    178,676,851.20x = 268,015,276.80 × 63,791,116.80
  4. Step 4: Simplify right side
    178,676,851.20x = 17,096,993,826,533,130
  5. Step 5: Solve for x
    x = 17,096,993,826,533,130/178,676,851.20
  6. Step 6: Final answer
    x = 95,686,675.20

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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.