Home / 158,445,009.70-237,667,514.55-120,181,257.70

Finding the Fourth Proportional to 158,445,009.70, 237,667,514.55 and 120,181,257.70

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Solution

The fourth proportional to 158,445,009.70, 237,667,514.55 and 120,181,257.70 is: 180,271,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,445,009.70 : 237,667,514.55 = 120,181,257.70 : x
  2. Step 2: Convert to fraction form
    158,445,009.70/237,667,514.55 = 120,181,257.70/x
  3. Step 3: Cross multiply
    158,445,009.70x = 237,667,514.55 × 120,181,257.70
  4. Step 4: Simplify right side
    158,445,009.70x = 28,563,180,813,052,052
  5. Step 5: Solve for x
    x = 28,563,180,813,052,052/158,445,009.70
  6. Step 6: Final answer
    x = 180,271,886.55

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Similar ratio
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1.5x scale

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.