Home / 85,193,877.60-127,790,816.40-58,320,021.60

Finding the Fourth Proportional to 85,193,877.60, 127,790,816.40 and 58,320,021.60

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Solution

The fourth proportional to 85,193,877.60, 127,790,816.40 and 58,320,021.60 is: 87,480,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,193,877.60 : 127,790,816.40 = 58,320,021.60 : x
  2. Step 2: Convert to fraction form
    85,193,877.60/127,790,816.40 = 58,320,021.60/x
  3. Step 3: Cross multiply
    85,193,877.60x = 127,790,816.40 × 58,320,021.60
  4. Step 4: Simplify right side
    85,193,877.60x = 7,452,763,172,729,635
  5. Step 5: Solve for x
    x = 7,452,763,172,729,635/85,193,877.60
  6. Step 6: Final answer
    x = 87,480,032.40

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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.