Home / 71,837,130.35-107,755,695.53-66,294,397.55

Finding the Fourth Proportional to 71,837,130.35, 107,755,695.53 and 66,294,397.55

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Solution

The fourth proportional to 71,837,130.35, 107,755,695.53 and 66,294,397.55 is: 99,441,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,837,130.35 : 107,755,695.53 = 66,294,397.55 : x
  2. Step 2: Convert to fraction form
    71,837,130.35/107,755,695.53 = 66,294,397.55/x
  3. Step 3: Cross multiply
    71,837,130.35x = 107,755,695.53 × 66,294,397.55
  4. Step 4: Simplify right side
    71,837,130.35x = 7,143,598,917,411,106
  5. Step 5: Solve for x
    x = 7,143,598,917,411,106/71,837,130.35
  6. Step 6: Final answer
    x = 99,441,596.33

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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.