Home / 186,731,089.24-280,110,086.34-71,715,631.72

Finding the Fourth Proportional to 186,731,089.24, 280,110,086.34 and 71,715,631.72

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Solution

The fourth proportional to 186,731,089.24, 280,110,086.34 and 71,715,631.72 is: 107,578,614.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,731,089.24 : 280,110,086.34 = 71,715,631.72 : x
  2. Step 2: Convert to fraction form
    186,731,089.24/280,110,086.34 = 71,715,631.72/x
  3. Step 3: Cross multiply
    186,731,089.24x = 280,110,086.34 × 71,715,631.72
  4. Step 4: Simplify right side
    186,731,089.24x = 20,088,271,793,016,840
  5. Step 5: Solve for x
    x = 20,088,271,793,016,840/186,731,089.24
  6. Step 6: Final answer
    x = 107,578,614.12

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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.