Home / 109,256,491.20-163,884,736.80-100,328,282.40

Finding the Fourth Proportional to 109,256,491.20, 163,884,736.80 and 100,328,282.40

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Solution

The fourth proportional to 109,256,491.20, 163,884,736.80 and 100,328,282.40 is: 150,492,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,256,491.20 : 163,884,736.80 = 100,328,282.40 : x
  2. Step 2: Convert to fraction form
    109,256,491.20/163,884,736.80 = 100,328,282.40/x
  3. Step 3: Cross multiply
    109,256,491.20x = 163,884,736.80 × 100,328,282.40
  4. Step 4: Simplify right side
    109,256,491.20x = 16,442,274,154,720,074
  5. Step 5: Solve for x
    x = 16,442,274,154,720,074/109,256,491.20
  6. Step 6: Final answer
    x = 150,492,423.60

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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.