Home / 113,647,956.40-156,876,828.60-74,492,254.96

Finding the Fourth Proportional to 113,647,956.40, 156,876,828.60 and 74,492,254.96

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Solution

The fourth proportional to 113,647,956.40, 156,876,828.60 and 74,492,254.96 is: 102,827,266.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,647,956.40 : 156,876,828.60 = 74,492,254.96 : x
  2. Step 2: Convert to fraction form
    113,647,956.40/156,876,828.60 = 74,492,254.96/x
  3. Step 3: Cross multiply
    113,647,956.40x = 156,876,828.60 × 74,492,254.96
  4. Step 4: Simplify right side
    113,647,956.40x = 11,686,108,713,387,418
  5. Step 5: Solve for x
    x = 11,686,108,713,387,418/113,647,956.40
  6. Step 6: Final answer
    x = 102,827,266.62

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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.