Home / 78,502,624.38-108,333,626.85-43,694,567.82

Finding the Fourth Proportional to 78,502,624.38, 108,333,626.85 and 43,694,567.82

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Solution

The fourth proportional to 78,502,624.38, 108,333,626.85 and 43,694,567.82 is: 60,298,506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,502,624.38 : 108,333,626.85 = 43,694,567.82 : x
  2. Step 2: Convert to fraction form
    78,502,624.38/108,333,626.85 = 43,694,567.82/x
  3. Step 3: Cross multiply
    78,502,624.38x = 108,333,626.85 × 43,694,567.82
  4. Step 4: Simplify right side
    78,502,624.38x = 4,733,591,005,583,898
  5. Step 5: Solve for x
    x = 4,733,591,005,583,898/78,502,624.38
  6. Step 6: Final answer
    x = 60,298,506.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.