Home / 109,256,490.20-163,884,735.30-100,328,281.40

Finding the Fourth Proportional to 109,256,490.20, 163,884,735.30 and 100,328,281.40

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Solution

The fourth proportional to 109,256,490.20, 163,884,735.30 and 100,328,281.40 is: 150,492,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,256,490.20 : 163,884,735.30 = 100,328,281.40 : x
  2. Step 2: Convert to fraction form
    109,256,490.20/163,884,735.30 = 100,328,281.40/x
  3. Step 3: Cross multiply
    109,256,490.20x = 163,884,735.30 × 100,328,281.40
  4. Step 4: Simplify right side
    109,256,490.20x = 16,442,273,840,342,916
  5. Step 5: Solve for x
    x = 16,442,273,840,342,916/109,256,490.20
  6. Step 6: Final answer
    x = 150,492,422.10

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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.