Home / 157,443,630.70-236,165,446.05-100,189,720.30

Finding the Fourth Proportional to 157,443,630.70, 236,165,446.05 and 100,189,720.30

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Solution

The fourth proportional to 157,443,630.70, 236,165,446.05 and 100,189,720.30 is: 150,284,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,443,630.70 : 236,165,446.05 = 100,189,720.30 : x
  2. Step 2: Convert to fraction form
    157,443,630.70/236,165,446.05 = 100,189,720.30/x
  3. Step 3: Cross multiply
    157,443,630.70x = 236,165,446.05 × 100,189,720.30
  4. Step 4: Simplify right side
    157,443,630.70x = 23,661,349,984,274,240
  5. Step 5: Solve for x
    x = 23,661,349,984,274,240/157,443,630.70
  6. Step 6: Final answer
    x = 150,284,580.45

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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.