Home / 117,504,027.60-176,256,041.40-85,653,531.60

Finding the Fourth Proportional to 117,504,027.60, 176,256,041.40 and 85,653,531.60

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Solution

The fourth proportional to 117,504,027.60, 176,256,041.40 and 85,653,531.60 is: 128,480,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,504,027.60 : 176,256,041.40 = 85,653,531.60 : x
  2. Step 2: Convert to fraction form
    117,504,027.60/176,256,041.40 = 85,653,531.60/x
  3. Step 3: Cross multiply
    117,504,027.60x = 176,256,041.40 × 85,653,531.60
  4. Step 4: Simplify right side
    117,504,027.60x = 15,096,952,411,745,808
  5. Step 5: Solve for x
    x = 15,096,952,411,745,808/117,504,027.60
  6. Step 6: Final answer
    x = 128,480,297.40

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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.