Home / 262,357,609.30-393,774,359.55-133,055,170.90

Finding the Fourth Proportional to 262,357,609.30, 393,774,359.55 and 133,055,170.90

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Solution

The fourth proportional to 262,357,609.30, 393,774,359.55 and 133,055,170.90 is: 199,703,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,357,609.30 : 393,774,359.55 = 133,055,170.90 : x
  2. Step 2: Convert to fraction form
    262,357,609.30/393,774,359.55 = 133,055,170.90/x
  3. Step 3: Cross multiply
    262,357,609.30x = 393,774,359.55 × 133,055,170.90
  4. Step 4: Simplify right side
    262,357,609.30x = 52,393,714,705,963,304
  5. Step 5: Solve for x
    x = 52,393,714,705,963,304/262,357,609.30
  6. Step 6: Final answer
    x = 199,703,430.92

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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.