Home / 207,361,252.20-311,041,878.30-71,001,316.20

Finding the Fourth Proportional to 207,361,252.20, 311,041,878.30 and 71,001,316.20

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Solution

The fourth proportional to 207,361,252.20, 311,041,878.30 and 71,001,316.20 is: 106,501,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,361,252.20 : 311,041,878.30 = 71,001,316.20 : x
  2. Step 2: Convert to fraction form
    207,361,252.20/311,041,878.30 = 71,001,316.20/x
  3. Step 3: Cross multiply
    207,361,252.20x = 311,041,878.30 × 71,001,316.20
  4. Step 4: Simplify right side
    207,361,252.20x = 22,084,382,752,620,220
  5. Step 5: Solve for x
    x = 22,084,382,752,620,220/207,361,252.20
  6. Step 6: Final answer
    x = 106,501,974.30

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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.