Home / 113,885,165.19-157,160,706.48-61,672,989.63

Finding the Fourth Proportional to 113,885,165.19, 157,160,706.48 and 61,672,989.63

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Solution

The fourth proportional to 113,885,165.19, 157,160,706.48 and 61,672,989.63 is: 85,108,280.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,885,165.19 : 157,160,706.48 = 61,672,989.63 : x
  2. Step 2: Convert to fraction form
    113,885,165.19/157,160,706.48 = 61,672,989.63/x
  3. Step 3: Cross multiply
    113,885,165.19x = 157,160,706.48 × 61,672,989.63
  4. Step 4: Simplify right side
    113,885,165.19x = 9,692,570,620,984,514
  5. Step 5: Solve for x
    x = 9,692,570,620,984,514/113,885,165.19
  6. Step 6: Final answer
    x = 85,108,280.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.