Home / 117,504,065.60-176,256,098.40-85,653,569.60

Finding the Fourth Proportional to 117,504,065.60, 176,256,098.40 and 85,653,569.60

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Solution

The fourth proportional to 117,504,065.60, 176,256,098.40 and 85,653,569.60 is: 128,480,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,504,065.60 : 176,256,098.40 = 85,653,569.60 : x
  2. Step 2: Convert to fraction form
    117,504,065.60/176,256,098.40 = 85,653,569.60/x
  3. Step 3: Cross multiply
    117,504,065.60x = 176,256,098.40 × 85,653,569.60
  4. Step 4: Simplify right side
    117,504,065.60x = 15,096,963,991,728,848
  5. Step 5: Solve for x
    x = 15,096,963,991,728,848/117,504,065.60
  6. Step 6: Final answer
    x = 128,480,354.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.