Home / 290,995,215.30-436,660,784.55-109,260,764.10

Finding the Fourth Proportional to 290,995,215.30, 436,660,784.55 and 109,260,764.10

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Solution

The fourth proportional to 290,995,215.30, 436,660,784.55 and 109,260,764.10 is: 163,954,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,995,215.30 : 436,660,784.55 = 109,260,764.10 : x
  2. Step 2: Convert to fraction form
    290,995,215.30/436,660,784.55 = 109,260,764.10/x
  3. Step 3: Cross multiply
    290,995,215.30x = 436,660,784.55 × 109,260,764.10
  4. Step 4: Simplify right side
    290,995,215.30x = 47,709,890,972,438,472
  5. Step 5: Solve for x
    x = 47,709,890,972,438,472/290,995,215.30
  6. Step 6: Final answer
    x = 163,954,211.15

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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.