Home / 90,812,214.40-136,217,963.20-26,986,806.40

Finding the Fourth Proportional to 90,812,214.40, 136,217,963.20 and 26,986,806.40

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Solution

The fourth proportional to 90,812,214.40, 136,217,963.20 and 26,986,806.40 is: 40,480,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,812,214.40 : 136,217,963.20 = 26,986,806.40 : x
  2. Step 2: Convert to fraction form
    90,812,214.40/136,217,963.20 = 26,986,806.40/x
  3. Step 3: Cross multiply
    90,812,214.40x = 136,217,963.20 × 26,986,806.40
  4. Step 4: Simplify right side
    90,812,214.40x = 3,676,087,801,080,724
  5. Step 5: Solve for x
    x = 3,676,087,801,080,724/90,812,214.40
  6. Step 6: Final answer
    x = 40,480,103.09

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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.