Home / 66,440,147.10-91,695,683.78-38,556,870.31

Finding the Fourth Proportional to 66,440,147.10, 91,695,683.78 and 38,556,870.31

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Solution

The fourth proportional to 66,440,147.10, 91,695,683.78 and 38,556,870.31 is: 53,213,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,440,147.10 : 91,695,683.78 = 38,556,870.31 : x
  2. Step 2: Convert to fraction form
    66,440,147.10/91,695,683.78 = 38,556,870.31/x
  3. Step 3: Cross multiply
    66,440,147.10x = 91,695,683.78 × 38,556,870.31
  4. Step 4: Simplify right side
    66,440,147.10x = 3,535,498,587,492,231
  5. Step 5: Solve for x
    x = 3,535,498,587,492,231/66,440,147.10
  6. Step 6: Final answer
    x = 53,213,286.57

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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.