Home / 111,549,197.64-167,350,696.50-38,755,383.78

Finding the Fourth Proportional to 111,549,197.64, 167,350,696.50 and 38,755,383.78

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Solution

The fourth proportional to 111,549,197.64, 167,350,696.50 and 38,755,383.78 is: 58,142,421.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,549,197.64 : 167,350,696.50 = 38,755,383.78 : x
  2. Step 2: Convert to fraction form
    111,549,197.64/167,350,696.50 = 38,755,383.78/x
  3. Step 3: Cross multiply
    111,549,197.64x = 167,350,696.50 × 38,755,383.78
  4. Step 4: Simplify right side
    111,549,197.64x = 6,485,740,468,707,803
  5. Step 5: Solve for x
    x = 6,485,740,468,707,803/111,549,197.64
  6. Step 6: Final answer
    x = 58,142,421.51

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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.