Home / 95,014,505.20-142,521,757.80-81,409,615.60

Finding the Fourth Proportional to 95,014,505.20, 142,521,757.80 and 81,409,615.60

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Solution

The fourth proportional to 95,014,505.20, 142,521,757.80 and 81,409,615.60 is: 122,114,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,014,505.20 : 142,521,757.80 = 81,409,615.60 : x
  2. Step 2: Convert to fraction form
    95,014,505.20/142,521,757.80 = 81,409,615.60/x
  3. Step 3: Cross multiply
    95,014,505.20x = 142,521,757.80 × 81,409,615.60
  4. Step 4: Simplify right side
    95,014,505.20x = 11,602,641,517,134,302
  5. Step 5: Solve for x
    x = 11,602,641,517,134,302/95,014,505.20
  6. Step 6: Final answer
    x = 122,114,423.40

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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.