Home / 52,034,775.71-78,021,908.82-19,689,176.93

Finding the Fourth Proportional to 52,034,775.71, 78,021,908.82 and 19,689,176.93

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Solution

The fourth proportional to 52,034,775.71, 78,021,908.82 and 19,689,176.93 is: 29,522,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,034,775.71 : 78,021,908.82 = 19,689,176.93 : x
  2. Step 2: Convert to fraction form
    52,034,775.71/78,021,908.82 = 19,689,176.93/x
  3. Step 3: Cross multiply
    52,034,775.71x = 78,021,908.82 × 19,689,176.93
  4. Step 4: Simplify right side
    52,034,775.71x = 1,536,187,166,783,198
  5. Step 5: Solve for x
    x = 1,536,187,166,783,198/52,034,775.71
  6. Step 6: Final answer
    x = 29,522,317.45

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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.