Home / 74,115,235.09-110,510,243.53-72,078,981.05

Finding the Fourth Proportional to 74,115,235.09, 110,510,243.53 and 72,078,981.05

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Solution

The fourth proportional to 74,115,235.09, 110,510,243.53 and 72,078,981.05 is: 107,474,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,115,235.09 : 110,510,243.53 = 72,078,981.05 : x
  2. Step 2: Convert to fraction form
    74,115,235.09/110,510,243.53 = 72,078,981.05/x
  3. Step 3: Cross multiply
    74,115,235.09x = 110,510,243.53 × 72,078,981.05
  4. Step 4: Simplify right side
    74,115,235.09x = 7,965,465,749,325,833
  5. Step 5: Solve for x
    x = 7,965,465,749,325,833/74,115,235.09
  6. Step 6: Final answer
    x = 107,474,067.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.