Home / 158,257,752.54-217,888,118.55-123,405,720.54

Finding the Fourth Proportional to 158,257,752.54, 217,888,118.55 and 123,405,720.54

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Solution

The fourth proportional to 158,257,752.54, 217,888,118.55 and 123,405,720.54 is: 169,904,095.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,257,752.54 : 217,888,118.55 = 123,405,720.54 : x
  2. Step 2: Convert to fraction form
    158,257,752.54/217,888,118.55 = 123,405,720.54/x
  3. Step 3: Cross multiply
    158,257,752.54x = 217,888,118.55 × 123,405,720.54
  4. Step 4: Simplify right side
    158,257,752.54x = 26,888,640,266,767,692
  5. Step 5: Solve for x
    x = 26,888,640,266,767,692/158,257,752.54
  6. Step 6: Final answer
    x = 169,904,095.28

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1.5x scale

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.