Home / 72,645,259.89-108,916,797.62-33,742,408.07

Finding the Fourth Proportional to 72,645,259.89, 108,916,797.62 and 33,742,408.07

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Solution

The fourth proportional to 72,645,259.89, 108,916,797.62 and 33,742,408.07 is: 50,589,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,645,259.89 : 108,916,797.62 = 33,742,408.07 : x
  2. Step 2: Convert to fraction form
    72,645,259.89/108,916,797.62 = 33,742,408.07/x
  3. Step 3: Cross multiply
    72,645,259.89x = 108,916,797.62 × 33,742,408.07
  4. Step 4: Simplify right side
    72,645,259.89x = 3,675,115,031,328,292.50
  5. Step 5: Solve for x
    x = 3,675,115,031,328,292.50/72,645,259.89
  6. Step 6: Final answer
    x = 50,589,880.70

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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.