Home / 157,520,085.60-236,280,128.40-135,979,010.40

Finding the Fourth Proportional to 157,520,085.60, 236,280,128.40 and 135,979,010.40

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Solution

The fourth proportional to 157,520,085.60, 236,280,128.40 and 135,979,010.40 is: 203,968,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,520,085.60 : 236,280,128.40 = 135,979,010.40 : x
  2. Step 2: Convert to fraction form
    157,520,085.60/236,280,128.40 = 135,979,010.40/x
  3. Step 3: Cross multiply
    157,520,085.60x = 236,280,128.40 × 135,979,010.40
  4. Step 4: Simplify right side
    157,520,085.60x = 32,129,138,037,016,936
  5. Step 5: Solve for x
    x = 32,129,138,037,016,936/157,520,085.60
  6. Step 6: Final answer
    x = 203,968,515.60

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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.