Home / 107,835,108.20-161,752,662.30-97,085,565.80

Finding the Fourth Proportional to 107,835,108.20, 161,752,662.30 and 97,085,565.80

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Solution

The fourth proportional to 107,835,108.20, 161,752,662.30 and 97,085,565.80 is: 145,628,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,835,108.20 : 161,752,662.30 = 97,085,565.80 : x
  2. Step 2: Convert to fraction form
    107,835,108.20/161,752,662.30 = 97,085,565.80/x
  3. Step 3: Cross multiply
    107,835,108.20x = 161,752,662.30 × 97,085,565.80
  4. Step 4: Simplify right side
    107,835,108.20x = 15,703,848,739,051,830
  5. Step 5: Solve for x
    x = 15,703,848,739,051,830/107,835,108.20
  6. Step 6: Final answer
    x = 145,628,348.70

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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.