Home / 113,565,096.36-156,719,906.46-61,354,101.78

Finding the Fourth Proportional to 113,565,096.36, 156,719,906.46 and 61,354,101.78

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Solution

The fourth proportional to 113,565,096.36, 156,719,906.46 and 61,354,101.78 is: 84,668,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,565,096.36 : 156,719,906.46 = 61,354,101.78 : x
  2. Step 2: Convert to fraction form
    113,565,096.36/156,719,906.46 = 61,354,101.78/x
  3. Step 3: Cross multiply
    113,565,096.36x = 156,719,906.46 × 61,354,101.78
  4. Step 4: Simplify right side
    113,565,096.36x = 9,615,409,091,898,920
  5. Step 5: Solve for x
    x = 9,615,409,091,898,920/113,565,096.36
  6. Step 6: Final answer
    x = 84,668,700.16

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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.