Home / 57,223,851.88-78,969,477.90-31,118,936.98

Finding the Fourth Proportional to 57,223,851.88, 78,969,477.90 and 31,118,936.98

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Solution

The fourth proportional to 57,223,851.88, 78,969,477.90 and 31,118,936.98 is: 42,944,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,223,851.88 : 78,969,477.90 = 31,118,936.98 : x
  2. Step 2: Convert to fraction form
    57,223,851.88/78,969,477.90 = 31,118,936.98/x
  3. Step 3: Cross multiply
    57,223,851.88x = 78,969,477.90 × 31,118,936.98
  4. Step 4: Simplify right side
    57,223,851.88x = 2,457,446,206,113,603
  5. Step 5: Solve for x
    x = 2,457,446,206,113,603/57,223,851.88
  6. Step 6: Final answer
    x = 42,944,438.82

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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.