Home / 107,842,477.80-161,763,716.70-90,623,789.40

Finding the Fourth Proportional to 107,842,477.80, 161,763,716.70 and 90,623,789.40

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Solution

The fourth proportional to 107,842,477.80, 161,763,716.70 and 90,623,789.40 is: 135,935,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,842,477.80 : 161,763,716.70 = 90,623,789.40 : x
  2. Step 2: Convert to fraction form
    107,842,477.80/161,763,716.70 = 90,623,789.40/x
  3. Step 3: Cross multiply
    107,842,477.80x = 161,763,716.70 × 90,623,789.40
  4. Step 4: Simplify right side
    107,842,477.80x = 14,659,640,994,782,062
  5. Step 5: Solve for x
    x = 14,659,640,994,782,062/107,842,477.80
  6. Step 6: Final answer
    x = 135,935,684.10

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1.5x scale

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.