Home / 262,261,272.40-361,967,930.76-156,421,471.12

Finding the Fourth Proportional to 262,261,272.40, 361,967,930.76 and 156,421,471.12

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Solution

The fourth proportional to 262,261,272.40, 361,967,930.76 and 156,421,471.12 is: 215,889,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,261,272.40 : 361,967,930.76 = 156,421,471.12 : x
  2. Step 2: Convert to fraction form
    262,261,272.40/361,967,930.76 = 156,421,471.12/x
  3. Step 3: Cross multiply
    262,261,272.40x = 361,967,930.76 × 156,421,471.12
  4. Step 4: Simplify right side
    262,261,272.40x = 56,619,556,227,741,496
  5. Step 5: Solve for x
    x = 56,619,556,227,741,496/262,261,272.40
  6. Step 6: Final answer
    x = 215,889,886.10

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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.