Home / 115,911,998.60-173,867,997.90-75,097,329.80

Finding the Fourth Proportional to 115,911,998.60, 173,867,997.90 and 75,097,329.80

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Solution

The fourth proportional to 115,911,998.60, 173,867,997.90 and 75,097,329.80 is: 112,645,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,911,998.60 : 173,867,997.90 = 75,097,329.80 : x
  2. Step 2: Convert to fraction form
    115,911,998.60/173,867,997.90 = 75,097,329.80/x
  3. Step 3: Cross multiply
    115,911,998.60x = 173,867,997.90 × 75,097,329.80
  4. Step 4: Simplify right side
    115,911,998.60x = 13,057,022,379,962,008
  5. Step 5: Solve for x
    x = 13,057,022,379,962,008/115,911,998.60
  6. Step 6: Final answer
    x = 112,645,994.70

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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.