Home / 195,991,808.40-293,987,712.60-100,440,320.40

Finding the Fourth Proportional to 195,991,808.40, 293,987,712.60 and 100,440,320.40

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Solution

The fourth proportional to 195,991,808.40, 293,987,712.60 and 100,440,320.40 is: 150,660,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,991,808.40 : 293,987,712.60 = 100,440,320.40 : x
  2. Step 2: Convert to fraction form
    195,991,808.40/293,987,712.60 = 100,440,320.40/x
  3. Step 3: Cross multiply
    195,991,808.40x = 293,987,712.60 × 100,440,320.40
  4. Step 4: Simplify right side
    195,991,808.40x = 29,528,220,047,207,120
  5. Step 5: Solve for x
    x = 29,528,220,047,207,120/195,991,808.40
  6. Step 6: Final answer
    x = 150,660,480.60

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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.