Home / 66,609,394.43-91,896,569.01-40,153,597.04

Finding the Fourth Proportional to 66,609,394.43, 91,896,569.01 and 40,153,597.04

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Solution

The fourth proportional to 66,609,394.43, 91,896,569.01 and 40,153,597.04 is: 55,397,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,609,394.43 : 91,896,569.01 = 40,153,597.04 : x
  2. Step 2: Convert to fraction form
    66,609,394.43/91,896,569.01 = 40,153,597.04/x
  3. Step 3: Cross multiply
    66,609,394.43x = 91,896,569.01 × 40,153,597.04
  4. Step 4: Simplify right side
    66,609,394.43x = 3,689,977,801,615,833
  5. Step 5: Solve for x
    x = 3,689,977,801,615,833/66,609,394.43
  6. Step 6: Final answer
    x = 55,397,257.90

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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.