Home / 57,192,509.36-78,925,758.28-31,086,961.04

Finding the Fourth Proportional to 57,192,509.36, 78,925,758.28 and 31,086,961.04

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Solution

The fourth proportional to 57,192,509.36, 78,925,758.28 and 31,086,961.04 is: 42,900,058.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,192,509.36 : 78,925,758.28 = 31,086,961.04 : x
  2. Step 2: Convert to fraction form
    57,192,509.36/78,925,758.28 = 31,086,961.04/x
  3. Step 3: Cross multiply
    57,192,509.36x = 78,925,758.28 × 31,086,961.04
  4. Step 4: Simplify right side
    57,192,509.36x = 2,453,561,972,702,817.50
  5. Step 5: Solve for x
    x = 2,453,561,972,702,817.50/57,192,509.36
  6. Step 6: Final answer
    x = 42,900,058.07

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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.