Home / 186,931,417.20-280,397,125.80-106,309,849.20

Finding the Fourth Proportional to 186,931,417.20, 280,397,125.80 and 106,309,849.20

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Solution

The fourth proportional to 186,931,417.20, 280,397,125.80 and 106,309,849.20 is: 159,464,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,931,417.20 : 280,397,125.80 = 106,309,849.20 : x
  2. Step 2: Convert to fraction form
    186,931,417.20/280,397,125.80 = 106,309,849.20/x
  3. Step 3: Cross multiply
    186,931,417.20x = 280,397,125.80 × 106,309,849.20
  4. Step 4: Simplify right side
    186,931,417.20x = 29,808,976,159,911,432
  5. Step 5: Solve for x
    x = 29,808,976,159,911,432/186,931,417.20
  6. Step 6: Final answer
    x = 159,464,773.80

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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.