Home / 290,963,125.92-401,523,422.16-158,805,069.78

Finding the Fourth Proportional to 290,963,125.92, 401,523,422.16 and 158,805,069.78

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Solution

The fourth proportional to 290,963,125.92, 401,523,422.16 and 158,805,069.78 is: 219,147,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,963,125.92 : 401,523,422.16 = 158,805,069.78 : x
  2. Step 2: Convert to fraction form
    290,963,125.92/401,523,422.16 = 158,805,069.78/x
  3. Step 3: Cross multiply
    290,963,125.92x = 401,523,422.16 × 158,805,069.78
  4. Step 4: Simplify right side
    290,963,125.92x = 63,763,955,074,423,200
  5. Step 5: Solve for x
    x = 63,763,955,074,423,200/290,963,125.92
  6. Step 6: Final answer
    x = 219,147,889.87

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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.