Home / 67,230,323.16-92,778,038.12-38,978,186.60

Finding the Fourth Proportional to 67,230,323.16, 92,778,038.12 and 38,978,186.60

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Solution

The fourth proportional to 67,230,323.16, 92,778,038.12 and 38,978,186.60 is: 53,790,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,230,323.16 : 92,778,038.12 = 38,978,186.60 : x
  2. Step 2: Convert to fraction form
    67,230,323.16/92,778,038.12 = 38,978,186.60/x
  3. Step 3: Cross multiply
    67,230,323.16x = 92,778,038.12 × 38,978,186.60
  4. Step 4: Simplify right side
    67,230,323.16x = 3,616,319,682,223,273.50
  5. Step 5: Solve for x
    x = 3,616,319,682,223,273.50/67,230,323.16
  6. Step 6: Final answer
    x = 53,790,008.92

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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.