Home / 77,579,526.18-107,161,940.49-57,503,223.26

Finding the Fourth Proportional to 77,579,526.18, 107,161,940.49 and 57,503,223.26

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Solution

The fourth proportional to 77,579,526.18, 107,161,940.49 and 57,503,223.26 is: 79,430,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,579,526.18 : 107,161,940.49 = 57,503,223.26 : x
  2. Step 2: Convert to fraction form
    77,579,526.18/107,161,940.49 = 57,503,223.26/x
  3. Step 3: Cross multiply
    77,579,526.18x = 107,161,940.49 × 57,503,223.26
  4. Step 4: Simplify right side
    77,579,526.18x = 6,162,156,988,435,494
  5. Step 5: Solve for x
    x = 6,162,156,988,435,494/77,579,526.18
  6. Step 6: Final answer
    x = 79,430,196.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.