Home / 79,395,043.92-119,003,303.16-40,424,106.60

Finding the Fourth Proportional to 79,395,043.92, 119,003,303.16 and 40,424,106.60

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Solution

The fourth proportional to 79,395,043.92, 119,003,303.16 and 40,424,106.60 is: 60,590,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,395,043.92 : 119,003,303.16 = 40,424,106.60 : x
  2. Step 2: Convert to fraction form
    79,395,043.92/119,003,303.16 = 40,424,106.60/x
  3. Step 3: Cross multiply
    79,395,043.92x = 119,003,303.16 × 40,424,106.60
  4. Step 4: Simplify right side
    79,395,043.92x = 4,810,602,212,691,957
  5. Step 5: Solve for x
    x = 4,810,602,212,691,957/79,395,043.92
  6. Step 6: Final answer
    x = 60,590,711.65

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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.