Home / 168,503,831.55-252,755,747.33-77,804,567.55

Finding the Fourth Proportional to 168,503,831.55, 252,755,747.33 and 77,804,567.55

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Solution

The fourth proportional to 168,503,831.55, 252,755,747.33 and 77,804,567.55 is: 116,706,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,503,831.55 : 252,755,747.33 = 77,804,567.55 : x
  2. Step 2: Convert to fraction form
    168,503,831.55/252,755,747.33 = 77,804,567.55/x
  3. Step 3: Cross multiply
    168,503,831.55x = 252,755,747.33 × 77,804,567.55
  4. Step 4: Simplify right side
    168,503,831.55x = 19,665,551,616,398,692
  5. Step 5: Solve for x
    x = 19,665,551,616,398,692/168,503,831.55
  6. Step 6: Final answer
    x = 116,706,851.33

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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.