Home / 191,664,003.20-287,496,004.80-89,627,331.20

Finding the Fourth Proportional to 191,664,003.20, 287,496,004.80 and 89,627,331.20

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Solution

The fourth proportional to 191,664,003.20, 287,496,004.80 and 89,627,331.20 is: 134,440,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,664,003.20 : 287,496,004.80 = 89,627,331.20 : x
  2. Step 2: Convert to fraction form
    191,664,003.20/287,496,004.80 = 89,627,331.20/x
  3. Step 3: Cross multiply
    191,664,003.20x = 287,496,004.80 × 89,627,331.20
  4. Step 4: Simplify right side
    191,664,003.20x = 25,767,499,640,886,392
  5. Step 5: Solve for x
    x = 25,767,499,640,886,392/191,664,003.20
  6. Step 6: Final answer
    x = 134,440,996.80

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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.