Home / 157,608,000.40-236,412,000.60-85,048,589.20

Finding the Fourth Proportional to 157,608,000.40, 236,412,000.60 and 85,048,589.20

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Solution

The fourth proportional to 157,608,000.40, 236,412,000.60 and 85,048,589.20 is: 127,572,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,608,000.40 : 236,412,000.60 = 85,048,589.20 : x
  2. Step 2: Convert to fraction form
    157,608,000.40/236,412,000.60 = 85,048,589.20/x
  3. Step 3: Cross multiply
    157,608,000.40x = 236,412,000.60 × 85,048,589.20
  4. Step 4: Simplify right side
    157,608,000.40x = 20,106,507,120,979,552
  5. Step 5: Solve for x
    x = 20,106,507,120,979,552/157,608,000.40
  6. Step 6: Final answer
    x = 127,572,883.80

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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.