Home / 79,395,048.42-119,003,309.88-40,424,111.13

Finding the Fourth Proportional to 79,395,048.42, 119,003,309.88 and 40,424,111.13

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Solution

The fourth proportional to 79,395,048.42, 119,003,309.88 and 40,424,111.13 is: 60,590,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,395,048.42 : 119,003,309.88 = 40,424,111.13 : x
  2. Step 2: Convert to fraction form
    79,395,048.42/119,003,309.88 = 40,424,111.13/x
  3. Step 3: Cross multiply
    79,395,048.42x = 119,003,309.88 × 40,424,111.13
  4. Step 4: Simplify right side
    79,395,048.42x = 4,810,603,023,426,947
  5. Step 5: Solve for x
    x = 4,810,603,023,426,947/79,395,048.42
  6. Step 6: Final answer
    x = 60,590,718.43

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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.