Home / 66,609,750.62-91,870,561.46-57,332,857.48

Finding the Fourth Proportional to 66,609,750.62, 91,870,561.46 and 57,332,857.48

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Solution

The fourth proportional to 66,609,750.62, 91,870,561.46 and 57,332,857.48 is: 79,075,537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,609,750.62 : 91,870,561.46 = 57,332,857.48 : x
  2. Step 2: Convert to fraction form
    66,609,750.62/91,870,561.46 = 57,332,857.48/x
  3. Step 3: Cross multiply
    66,609,750.62x = 91,870,561.46 × 57,332,857.48
  4. Step 4: Simplify right side
    66,609,750.62x = 5,267,201,806,793,760
  5. Step 5: Solve for x
    x = 5,267,201,806,793,760/66,609,750.62
  6. Step 6: Final answer
    x = 79,075,537.11

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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.