Home / 206,989,714.80-310,484,572.20-194,235,130.80

Finding the Fourth Proportional to 206,989,714.80, 310,484,572.20 and 194,235,130.80

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Solution

The fourth proportional to 206,989,714.80, 310,484,572.20 and 194,235,130.80 is: 291,352,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,989,714.80 : 310,484,572.20 = 194,235,130.80 : x
  2. Step 2: Convert to fraction form
    206,989,714.80/310,484,572.20 = 194,235,130.80/x
  3. Step 3: Cross multiply
    206,989,714.80x = 310,484,572.20 × 194,235,130.80
  4. Step 4: Simplify right side
    206,989,714.80x = 60,307,011,492,649,048
  5. Step 5: Solve for x
    x = 60,307,011,492,649,048/206,989,714.80
  6. Step 6: Final answer
    x = 291,352,696.20

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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.