Home / 55,166,063.75-76,129,167.68-31,974,642.81

Finding the Fourth Proportional to 55,166,063.75, 76,129,167.68 and 31,974,642.81

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Solution

The fourth proportional to 55,166,063.75, 76,129,167.68 and 31,974,642.81 is: 44,125,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166,063.75 : 76,129,167.68 = 31,974,642.81 : x
  2. Step 2: Convert to fraction form
    55,166,063.75/76,129,167.68 = 31,974,642.81/x
  3. Step 3: Cross multiply
    55,166,063.75x = 76,129,167.68 × 31,974,642.81
  4. Step 4: Simplify right side
    55,166,063.75x = 2,434,202,943,880,210.50
  5. Step 5: Solve for x
    x = 2,434,202,943,880,210.50/55,166,063.75
  6. Step 6: Final answer
    x = 44,125,006.91

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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.