Home / 55,166,064.75-76,129,169.06-31,974,643.81

Finding the Fourth Proportional to 55,166,064.75, 76,129,169.06 and 31,974,643.81

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Solution

The fourth proportional to 55,166,064.75, 76,129,169.06 and 31,974,643.81 is: 44,125,008.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166,064.75 : 76,129,169.06 = 31,974,643.81 : x
  2. Step 2: Convert to fraction form
    55,166,064.75/76,129,169.06 = 31,974,643.81/x
  3. Step 3: Cross multiply
    55,166,064.75x = 76,129,169.06 × 31,974,643.81
  4. Step 4: Simplify right side
    55,166,064.75x = 2,434,203,064,244,772.50
  5. Step 5: Solve for x
    x = 2,434,203,064,244,772.50/55,166,064.75
  6. Step 6: Final answer
    x = 44,125,008.29

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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.