Home / 72,791,369.36-109,241,282.60-53,410,676.72

Finding the Fourth Proportional to 72,791,369.36, 109,241,282.60 and 53,410,676.72

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Solution

The fourth proportional to 72,791,369.36, 109,241,282.60 and 53,410,676.72 is: 80,155,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,791,369.36 : 109,241,282.60 = 53,410,676.72 : x
  2. Step 2: Convert to fraction form
    72,791,369.36/109,241,282.60 = 53,410,676.72/x
  3. Step 3: Cross multiply
    72,791,369.36x = 109,241,282.60 × 53,410,676.72
  4. Step 4: Simplify right side
    72,791,369.36x = 5,834,650,829,426,761
  5. Step 5: Solve for x
    x = 5,834,650,829,426,761/72,791,369.36
  6. Step 6: Final answer
    x = 80,155,805.29

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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.