Home / 113,647,958.40-156,876,831.36-74,492,256.96

Finding the Fourth Proportional to 113,647,958.40, 156,876,831.36 and 74,492,256.96

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Solution

The fourth proportional to 113,647,958.40, 156,876,831.36 and 74,492,256.96 is: 102,827,269.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,647,958.40 : 156,876,831.36 = 74,492,256.96 : x
  2. Step 2: Convert to fraction form
    113,647,958.40/156,876,831.36 = 74,492,256.96/x
  3. Step 3: Cross multiply
    113,647,958.40x = 156,876,831.36 × 74,492,256.96
  4. Step 4: Simplify right side
    113,647,958.40x = 11,686,109,232,739,706
  5. Step 5: Solve for x
    x = 11,686,109,232,739,706/113,647,958.40
  6. Step 6: Final answer
    x = 102,827,269.38

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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.