Home / 66,556,984.32-91,849,246.08-39,055,370.88

Finding the Fourth Proportional to 66,556,984.32, 91,849,246.08 and 39,055,370.88

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Solution

The fourth proportional to 66,556,984.32, 91,849,246.08 and 39,055,370.88 is: 53,896,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,556,984.32 : 91,849,246.08 = 39,055,370.88 : x
  2. Step 2: Convert to fraction form
    66,556,984.32/91,849,246.08 = 39,055,370.88/x
  3. Step 3: Cross multiply
    66,556,984.32x = 91,849,246.08 × 39,055,370.88
  4. Step 4: Simplify right side
    66,556,984.32x = 3,587,206,370,702,786.50
  5. Step 5: Solve for x
    x = 3,587,206,370,702,786.50/66,556,984.32
  6. Step 6: Final answer
    x = 53,896,768.42

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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.