Home / 99,168,003.40-148,752,005.10-76,493,187.40

Finding the Fourth Proportional to 99,168,003.40, 148,752,005.10 and 76,493,187.40

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Solution

The fourth proportional to 99,168,003.40, 148,752,005.10 and 76,493,187.40 is: 114,739,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,168,003.40 : 148,752,005.10 = 76,493,187.40 : x
  2. Step 2: Convert to fraction form
    99,168,003.40/148,752,005.10 = 76,493,187.40/x
  3. Step 3: Cross multiply
    99,168,003.40x = 148,752,005.10 × 76,493,187.40
  4. Step 4: Simplify right side
    99,168,003.40x = 11,378,515,002,240,056
  5. Step 5: Solve for x
    x = 11,378,515,002,240,056/99,168,003.40
  6. Step 6: Final answer
    x = 114,739,781.10

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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.