Home / 108,879,937.20-163,333,902.60-54,320,410.80

Finding the Fourth Proportional to 108,879,937.20, 163,333,902.60 and 54,320,410.80

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Solution

The fourth proportional to 108,879,937.20, 163,333,902.60 and 54,320,410.80 is: 81,487,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,879,937.20 : 163,333,902.60 = 54,320,410.80 : x
  2. Step 2: Convert to fraction form
    108,879,937.20/163,333,902.60 = 54,320,410.80/x
  3. Step 3: Cross multiply
    108,879,937.20x = 163,333,902.60 × 54,320,410.80
  4. Step 4: Simplify right side
    108,879,937.20x = 8,872,364,686,799,187
  5. Step 5: Solve for x
    x = 8,872,364,686,799,187/108,879,937.20
  6. Step 6: Final answer
    x = 81,487,599.23

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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.