Home / 57,230,710.88-78,977,617.76-31,124,666.84

Finding the Fourth Proportional to 57,230,710.88, 78,977,617.76 and 31,124,666.84

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Solution

The fourth proportional to 57,230,710.88, 78,977,617.76 and 31,124,666.84 is: 42,951,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,230,710.88 : 78,977,617.76 = 31,124,666.84 : x
  2. Step 2: Convert to fraction form
    57,230,710.88/78,977,617.76 = 31,124,666.84/x
  3. Step 3: Cross multiply
    57,230,710.88x = 78,977,617.76 × 31,124,666.84
  4. Step 4: Simplify right side
    57,230,710.88x = 2,458,152,040,596,867
  5. Step 5: Solve for x
    x = 2,458,152,040,596,867/57,230,710.88
  6. Step 6: Final answer
    x = 42,951,625.15

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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.