Home / 108,873,679.20-163,307,019.60-36,093,818.40

Finding the Fourth Proportional to 108,873,679.20, 163,307,019.60 and 36,093,818.40

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Solution

The fourth proportional to 108,873,679.20, 163,307,019.60 and 36,093,818.40 is: 54,139,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,873,679.20 : 163,307,019.60 = 36,093,818.40 : x
  2. Step 2: Convert to fraction form
    108,873,679.20/163,307,019.60 = 36,093,818.40/x
  3. Step 3: Cross multiply
    108,873,679.20x = 163,307,019.60 × 36,093,818.40
  4. Step 4: Simplify right side
    108,873,679.20x = 5,894,373,908,887,640
  5. Step 5: Solve for x
    x = 5,894,373,908,887,640/108,873,679.20
  6. Step 6: Final answer
    x = 54,139,567.54

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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.