Home / 145,446,099,187.80-218,169,148,781.70-137,364,794,765.40

Finding the Fourth Proportional to 145,446,099,187.80, 218,169,148,781.70 and 137,364,794,765.40

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Solution

The fourth proportional to 145,446,099,187.80, 218,169,148,781.70 and 137,364,794,765.40 is: 206,047,192,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,446,099,187.80 : 218,169,148,781.70 = 137,364,794,765.40 : x
  2. Step 2: Convert to fraction form
    145,446,099,187.80/218,169,148,781.70 = 137,364,794,765.40/x
  3. Step 3: Cross multiply
    145,446,099,187.80x = 218,169,148,781.70 × 137,364,794,765.40
  4. Step 4: Simplify right side
    145,446,099,187.80x = 29,968,760,346,540,236,603,392
  5. Step 5: Solve for x
    x = 29,968,760,346,540,236,603,392/145,446,099,187.80
  6. Step 6: Final answer
    x = 206,047,192,148.10

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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.