Home / 213,995,252.70-320,780,302.65-98,778,843.90

Finding the Fourth Proportional to 213,995,252.70, 320,780,302.65 and 98,778,843.90

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Solution

The fourth proportional to 213,995,252.70, 320,780,302.65 and 98,778,843.90 is: 148,070,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,995,252.70 : 320,780,302.65 = 98,778,843.90 : x
  2. Step 2: Convert to fraction form
    213,995,252.70/320,780,302.65 = 98,778,843.90/x
  3. Step 3: Cross multiply
    213,995,252.70x = 320,780,302.65 × 98,778,843.90
  4. Step 4: Simplify right side
    213,995,252.70x = 31,686,307,441,659,104
  5. Step 5: Solve for x
    x = 31,686,307,441,659,104/213,995,252.70
  6. Step 6: Final answer
    x = 148,070,141.94

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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.