Home / 118,086,670.60-177,130,005.90-72,500,648.20

Finding the Fourth Proportional to 118,086,670.60, 177,130,005.90 and 72,500,648.20

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Solution

The fourth proportional to 118,086,670.60, 177,130,005.90 and 72,500,648.20 is: 108,750,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,086,670.60 : 177,130,005.90 = 72,500,648.20 : x
  2. Step 2: Convert to fraction form
    118,086,670.60/177,130,005.90 = 72,500,648.20/x
  3. Step 3: Cross multiply
    118,086,670.60x = 177,130,005.90 × 72,500,648.20
  4. Step 4: Simplify right side
    118,086,670.60x = 12,842,040,243,419,826
  5. Step 5: Solve for x
    x = 12,842,040,243,419,826/118,086,670.60
  6. Step 6: Final answer
    x = 108,750,972.30

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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.