Home / 107,836,999.20-161,755,498.80-102,798,151.20

Finding the Fourth Proportional to 107,836,999.20, 161,755,498.80 and 102,798,151.20

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Solution

The fourth proportional to 107,836,999.20, 161,755,498.80 and 102,798,151.20 is: 154,197,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,836,999.20 : 161,755,498.80 = 102,798,151.20 : x
  2. Step 2: Convert to fraction form
    107,836,999.20/161,755,498.80 = 102,798,151.20/x
  3. Step 3: Cross multiply
    107,836,999.20x = 161,755,498.80 × 102,798,151.20
  4. Step 4: Simplify right side
    107,836,999.20x = 16,628,166,223,073,820
  5. Step 5: Solve for x
    x = 16,628,166,223,073,820/107,836,999.20
  6. Step 6: Final answer
    x = 154,197,226.80

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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.