Home / 57,443,343.70-86,207,005.95-40,437,231.70

Finding the Fourth Proportional to 57,443,343.70, 86,207,005.95 and 40,437,231.70

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Solution

The fourth proportional to 57,443,343.70, 86,207,005.95 and 40,437,231.70 is: 60,685,406.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,443,343.70 : 86,207,005.95 = 40,437,231.70 : x
  2. Step 2: Convert to fraction form
    57,443,343.70/86,207,005.95 = 40,437,231.70/x
  3. Step 3: Cross multiply
    57,443,343.70x = 86,207,005.95 × 40,437,231.70
  4. Step 4: Simplify right side
    57,443,343.70x = 3,485,972,673,763,429
  5. Step 5: Solve for x
    x = 3,485,972,673,763,429/57,443,343.70
  6. Step 6: Final answer
    x = 60,685,406.68

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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.