Home / 67,230,324.16-92,778,039.50-38,978,187.60

Finding the Fourth Proportional to 67,230,324.16, 92,778,039.50 and 38,978,187.60

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Solution

The fourth proportional to 67,230,324.16, 92,778,039.50 and 38,978,187.60 is: 53,790,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,230,324.16 : 92,778,039.50 = 38,978,187.60 : x
  2. Step 2: Convert to fraction form
    67,230,324.16/92,778,039.50 = 38,978,187.60/x
  3. Step 3: Cross multiply
    67,230,324.16x = 92,778,039.50 × 38,978,187.60
  4. Step 4: Simplify right side
    67,230,324.16x = 3,616,319,828,791,210.50
  5. Step 5: Solve for x
    x = 3,616,319,828,791,210.50/67,230,324.16
  6. Step 6: Final answer
    x = 53,790,010.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.