Home / 51,865,711.36-77,801,884.80-19,953,007.36

Finding the Fourth Proportional to 51,865,711.36, 77,801,884.80 and 19,953,007.36

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Solution

The fourth proportional to 51,865,711.36, 77,801,884.80 and 19,953,007.36 is: 29,930,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,865,711.36 : 77,801,884.80 = 19,953,007.36 : x
  2. Step 2: Convert to fraction form
    51,865,711.36/77,801,884.80 = 19,953,007.36/x
  3. Step 3: Cross multiply
    51,865,711.36x = 77,801,884.80 × 19,953,007.36
  4. Step 4: Simplify right side
    51,865,711.36x = 1,552,381,580,036,272
  5. Step 5: Solve for x
    x = 1,552,381,580,036,272/51,865,711.36
  6. Step 6: Final answer
    x = 29,930,787.40

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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.