Home / 181,471,420,520.36-250,430,931,189.59-100,181,355,289.42

Finding the Fourth Proportional to 181,471,420,520.36, 250,430,931,189.59 and 100,181,355,289.42

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Solution

The fourth proportional to 181,471,420,520.36, 250,430,931,189.59 and 100,181,355,289.42 is: 138,250,475,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,471,420,520.36 : 250,430,931,189.59 = 100,181,355,289.42 : x
  2. Step 2: Convert to fraction form
    181,471,420,520.36/250,430,931,189.59 = 100,181,355,289.42/x
  3. Step 3: Cross multiply
    181,471,420,520.36x = 250,430,931,189.59 × 100,181,355,289.42
  4. Step 4: Simplify right side
    181,471,420,520.36x = 25,088,510,092,964,605,722,624
  5. Step 5: Solve for x
    x = 25,088,510,092,964,605,722,624/181,471,420,520.36
  6. Step 6: Final answer
    x = 138,250,475,039.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.