Home / 74,771,146.30-112,156,719.45-40,758,922.30

Finding the Fourth Proportional to 74,771,146.30, 112,156,719.45 and 40,758,922.30

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Solution

The fourth proportional to 74,771,146.30, 112,156,719.45 and 40,758,922.30 is: 61,138,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,771,146.30 : 112,156,719.45 = 40,758,922.30 : x
  2. Step 2: Convert to fraction form
    74,771,146.30/112,156,719.45 = 40,758,922.30/x
  3. Step 3: Cross multiply
    74,771,146.30x = 112,156,719.45 × 40,758,922.30
  4. Step 4: Simplify right side
    74,771,146.30x = 4,571,387,013,485,449
  5. Step 5: Solve for x
    x = 4,571,387,013,485,449/74,771,146.30
  6. Step 6: Final answer
    x = 61,138,383.45

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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.