Home / 66,409,086.40-99,643,896.78-34,083,689.32

Finding the Fourth Proportional to 66,409,086.40, 99,643,896.78 and 34,083,689.32

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Solution

The fourth proportional to 66,409,086.40, 99,643,896.78 and 34,083,689.32 is: 51,141,068.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,409,086.40 : 99,643,896.78 = 34,083,689.32 : x
  2. Step 2: Convert to fraction form
    66,409,086.40/99,643,896.78 = 34,083,689.32/x
  3. Step 3: Cross multiply
    66,409,086.40x = 99,643,896.78 × 34,083,689.32
  4. Step 4: Simplify right side
    66,409,086.40x = 3,396,231,620,483,668.50
  5. Step 5: Solve for x
    x = 3,396,231,620,483,668.50/66,409,086.40
  6. Step 6: Final answer
    x = 51,141,068.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.