Home / 66,508,619.40-91,825,081.75-59,527,206.92

Finding the Fourth Proportional to 66,508,619.40, 91,825,081.75 and 59,527,206.92

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Solution

The fourth proportional to 66,508,619.40, 91,825,081.75 and 59,527,206.92 is: 82,186,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,508,619.40 : 91,825,081.75 = 59,527,206.92 : x
  2. Step 2: Convert to fraction form
    66,508,619.40/91,825,081.75 = 59,527,206.92/x
  3. Step 3: Cross multiply
    66,508,619.40x = 91,825,081.75 × 59,527,206.92
  4. Step 4: Simplify right side
    66,508,619.40x = 5,466,090,642,082,137
  5. Step 5: Solve for x
    x = 5,466,090,642,082,137/66,508,619.40
  6. Step 6: Final answer
    x = 82,186,199.19

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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.