Home / 129,490,291.24-194,235,435.42-71,955,045.16

Finding the Fourth Proportional to 129,490,291.24, 194,235,435.42 and 71,955,045.16

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Solution

The fourth proportional to 129,490,291.24, 194,235,435.42 and 71,955,045.16 is: 107,932,566.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,490,291.24 : 194,235,435.42 = 71,955,045.16 : x
  2. Step 2: Convert to fraction form
    129,490,291.24/194,235,435.42 = 71,955,045.16/x
  3. Step 3: Cross multiply
    129,490,291.24x = 194,235,435.42 × 71,955,045.16
  4. Step 4: Simplify right side
    129,490,291.24x = 13,976,219,527,318,362
  5. Step 5: Solve for x
    x = 13,976,219,527,318,362/129,490,291.24
  6. Step 6: Final answer
    x = 107,932,566.94

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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.