Home / 340,242,370.65-469,516,255.85-187,474,145.18

Finding the Fourth Proportional to 340,242,370.65, 469,516,255.85 and 187,474,145.18

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Solution

The fourth proportional to 340,242,370.65, 469,516,255.85 and 187,474,145.18 is: 258,704,283.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,242,370.65 : 469,516,255.85 = 187,474,145.18 : x
  2. Step 2: Convert to fraction form
    340,242,370.65/469,516,255.85 = 187,474,145.18/x
  3. Step 3: Cross multiply
    340,242,370.65x = 469,516,255.85 × 187,474,145.18
  4. Step 4: Simplify right side
    340,242,370.65x = 88,022,158,713,299,120
  5. Step 5: Solve for x
    x = 88,022,158,713,299,120/340,242,370.65
  6. Step 6: Final answer
    x = 258,704,283.49

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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.