Home / 113,565,099.36-156,719,910.60-61,354,104.78

Finding the Fourth Proportional to 113,565,099.36, 156,719,910.60 and 61,354,104.78

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Solution

The fourth proportional to 113,565,099.36, 156,719,910.60 and 61,354,104.78 is: 84,668,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,565,099.36 : 156,719,910.60 = 61,354,104.78 : x
  2. Step 2: Convert to fraction form
    113,565,099.36/156,719,910.60 = 61,354,104.78/x
  3. Step 3: Cross multiply
    113,565,099.36x = 156,719,910.60 × 61,354,104.78
  4. Step 4: Simplify right side
    113,565,099.36x = 9,615,409,816,064,632
  5. Step 5: Solve for x
    x = 9,615,409,816,064,632/113,565,099.36
  6. Step 6: Final answer
    x = 84,668,704.30

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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.