Home / 79,395,067.78-119,003,338.95-40,424,130.49

Finding the Fourth Proportional to 79,395,067.78, 119,003,338.95 and 40,424,130.49

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Solution

The fourth proportional to 79,395,067.78, 119,003,338.95 and 40,424,130.49 is: 60,590,747.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,395,067.78 : 119,003,338.95 = 40,424,130.49 : x
  2. Step 2: Convert to fraction form
    79,395,067.78/119,003,338.95 = 40,424,130.49/x
  3. Step 3: Cross multiply
    79,395,067.78x = 119,003,338.95 × 40,424,130.49
  4. Step 4: Simplify right side
    79,395,067.78x = 4,810,606,502,460,500
  5. Step 5: Solve for x
    x = 4,810,606,502,460,500/79,395,067.78
  6. Step 6: Final answer
    x = 60,590,747.47

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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.