Home / 113,700,257.57-156,906,828.18-61,489,293.21

Finding the Fourth Proportional to 113,700,257.57, 156,906,828.18 and 61,489,293.21

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Solution

The fourth proportional to 113,700,257.57, 156,906,828.18 and 61,489,293.21 is: 84,855,480.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,700,257.57 : 156,906,828.18 = 61,489,293.21 : x
  2. Step 2: Convert to fraction form
    113,700,257.57/156,906,828.18 = 61,489,293.21/x
  3. Step 3: Cross multiply
    113,700,257.57x = 156,906,828.18 × 61,489,293.21
  4. Step 4: Simplify right side
    113,700,257.57x = 9,648,089,964,611,112
  5. Step 5: Solve for x
    x = 9,648,089,964,611,112/113,700,257.57
  6. Step 6: Final answer
    x = 84,855,480.29

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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.