Home / 171,035,746.40-256,553,619.60-149,512,385.90

Finding the Fourth Proportional to 171,035,746.40, 256,553,619.60 and 149,512,385.90

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Solution

The fourth proportional to 171,035,746.40, 256,553,619.60 and 149,512,385.90 is: 224,268,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,035,746.40 : 256,553,619.60 = 149,512,385.90 : x
  2. Step 2: Convert to fraction form
    171,035,746.40/256,553,619.60 = 149,512,385.90/x
  3. Step 3: Cross multiply
    171,035,746.40x = 256,553,619.60 × 149,512,385.90
  4. Step 4: Simplify right side
    171,035,746.40x = 38,357,943,777,677,008
  5. Step 5: Solve for x
    x = 38,357,943,777,677,008/171,035,746.40
  6. Step 6: Final answer
    x = 224,268,578.85

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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.