Home / 157,763,257.20-236,644,885.80-89,738,809.20

Finding the Fourth Proportional to 157,763,257.20, 236,644,885.80 and 89,738,809.20

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Solution

The fourth proportional to 157,763,257.20, 236,644,885.80 and 89,738,809.20 is: 134,608,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,763,257.20 : 236,644,885.80 = 89,738,809.20 : x
  2. Step 2: Convert to fraction form
    157,763,257.20/236,644,885.80 = 89,738,809.20/x
  3. Step 3: Cross multiply
    157,763,257.20x = 236,644,885.80 × 89,738,809.20
  4. Step 4: Simplify right side
    157,763,257.20x = 21,236,230,254,961,992
  5. Step 5: Solve for x
    x = 21,236,230,254,961,992/157,763,257.20
  6. Step 6: Final answer
    x = 134,608,213.80

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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.