Home / 157,443,607.90-236,198,589.45-66,520,395.10

Finding the Fourth Proportional to 157,443,607.90, 236,198,589.45 and 66,520,395.10

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Solution

The fourth proportional to 157,443,607.90, 236,198,589.45 and 66,520,395.10 is: 99,794,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,443,607.90 : 236,198,589.45 = 66,520,395.10 : x
  2. Step 2: Convert to fraction form
    157,443,607.90/236,198,589.45 = 66,520,395.10/x
  3. Step 3: Cross multiply
    157,443,607.90x = 236,198,589.45 × 66,520,395.10
  4. Step 4: Simplify right side
    157,443,607.90x = 15,712,023,492,276,692
  5. Step 5: Solve for x
    x = 15,712,023,492,276,692/157,443,607.90
  6. Step 6: Final answer
    x = 99,794,610.29

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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.