Home / 200,371,867.56-300,348,029.31-83,853,981.90

Finding the Fourth Proportional to 200,371,867.56, 300,348,029.31 and 83,853,981.90

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Solution

The fourth proportional to 200,371,867.56, 300,348,029.31 and 83,853,981.90 is: 125,693,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,371,867.56 : 300,348,029.31 = 83,853,981.90 : x
  2. Step 2: Convert to fraction form
    200,371,867.56/300,348,029.31 = 83,853,981.90/x
  3. Step 3: Cross multiply
    200,371,867.56x = 300,348,029.31 × 83,853,981.90
  4. Step 4: Simplify right side
    200,371,867.56x = 25,185,378,213,461,412
  5. Step 5: Solve for x
    x = 25,185,378,213,461,412/200,371,867.56
  6. Step 6: Final answer
    x = 125,693,184.98

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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.