Home / 52,639,400.40-78,959,100.60-39,884,816.40

Finding the Fourth Proportional to 52,639,400.40, 78,959,100.60 and 39,884,816.40

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Solution

The fourth proportional to 52,639,400.40, 78,959,100.60 and 39,884,816.40 is: 59,827,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,639,400.40 : 78,959,100.60 = 39,884,816.40 : x
  2. Step 2: Convert to fraction form
    52,639,400.40/78,959,100.60 = 39,884,816.40/x
  3. Step 3: Cross multiply
    52,639,400.40x = 78,959,100.60 × 39,884,816.40
  4. Step 4: Simplify right side
    52,639,400.40x = 3,149,269,230,540,129.50
  5. Step 5: Solve for x
    x = 3,149,269,230,540,129.50/52,639,400.40
  6. Step 6: Final answer
    x = 59,827,224.60

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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.