Home / 370,900,117.34-511,843,169.13-203,647,211.72

Finding the Fourth Proportional to 370,900,117.34, 511,843,169.13 and 203,647,211.72

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Solution

The fourth proportional to 370,900,117.34, 511,843,169.13 and 203,647,211.72 is: 281,033,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,900,117.34 : 511,843,169.13 = 203,647,211.72 : x
  2. Step 2: Convert to fraction form
    370,900,117.34/511,843,169.13 = 203,647,211.72/x
  3. Step 3: Cross multiply
    370,900,117.34x = 511,843,169.13 × 203,647,211.72
  4. Step 4: Simplify right side
    370,900,117.34x = 104,235,434,232,532,480
  5. Step 5: Solve for x
    x = 104,235,434,232,532,480/370,900,117.34
  6. Step 6: Final answer
    x = 281,033,705.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.