Home / 84,564,309.80-126,846,464.70-52,110,979.40

Finding the Fourth Proportional to 84,564,309.80, 126,846,464.70 and 52,110,979.40

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Solution

The fourth proportional to 84,564,309.80, 126,846,464.70 and 52,110,979.40 is: 78,166,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,564,309.80 : 126,846,464.70 = 52,110,979.40 : x
  2. Step 2: Convert to fraction form
    84,564,309.80/126,846,464.70 = 52,110,979.40/x
  3. Step 3: Cross multiply
    84,564,309.80x = 126,846,464.70 × 52,110,979.40
  4. Step 4: Simplify right side
    84,564,309.80x = 6,610,093,508,944,527
  5. Step 5: Solve for x
    x = 6,610,093,508,944,527/84,564,309.80
  6. Step 6: Final answer
    x = 78,166,469.10

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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.