Home / 157,520,405.60-236,280,608.40-135,979,330.40

Finding the Fourth Proportional to 157,520,405.60, 236,280,608.40 and 135,979,330.40

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Solution

The fourth proportional to 157,520,405.60, 236,280,608.40 and 135,979,330.40 is: 203,968,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,520,405.60 : 236,280,608.40 = 135,979,330.40 : x
  2. Step 2: Convert to fraction form
    157,520,405.60/236,280,608.40 = 135,979,330.40/x
  3. Step 3: Cross multiply
    157,520,405.60x = 236,280,608.40 × 135,979,330.40
  4. Step 4: Simplify right side
    157,520,405.60x = 32,129,278,916,736,616
  5. Step 5: Solve for x
    x = 32,129,278,916,736,616/157,520,405.60
  6. Step 6: Final answer
    x = 203,968,995.60

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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.