Home / 109,256,490.70-163,884,736.05-100,328,281.90

Finding the Fourth Proportional to 109,256,490.70, 163,884,736.05 and 100,328,281.90

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Solution

The fourth proportional to 109,256,490.70, 163,884,736.05 and 100,328,281.90 is: 150,492,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,256,490.70 : 163,884,736.05 = 100,328,281.90 : x
  2. Step 2: Convert to fraction form
    109,256,490.70/163,884,736.05 = 100,328,281.90/x
  3. Step 3: Cross multiply
    109,256,490.70x = 163,884,736.05 × 100,328,281.90
  4. Step 4: Simplify right side
    109,256,490.70x = 16,442,273,997,531,494
  5. Step 5: Solve for x
    x = 16,442,273,997,531,494/109,256,490.70
  6. Step 6: Final answer
    x = 150,492,422.85

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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.