Home / 91,782,438.75-126,668,915.01-68,537,209.41

Finding the Fourth Proportional to 91,782,438.75, 126,668,915.01 and 68,537,209.41

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Solution

The fourth proportional to 91,782,438.75, 126,668,915.01 and 68,537,209.41 is: 94,588,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,782,438.75 : 126,668,915.01 = 68,537,209.41 : x
  2. Step 2: Convert to fraction form
    91,782,438.75/126,668,915.01 = 68,537,209.41/x
  3. Step 3: Cross multiply
    91,782,438.75x = 126,668,915.01 × 68,537,209.41
  4. Step 4: Simplify right side
    91,782,438.75x = 8,681,533,953,777,862
  5. Step 5: Solve for x
    x = 8,681,533,953,777,862/91,782,438.75
  6. Step 6: Final answer
    x = 94,588,181.27

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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.