Home / 220,391,187.60-330,586,781.40-99,458,835.60

Finding the Fourth Proportional to 220,391,187.60, 330,586,781.40 and 99,458,835.60

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Solution

The fourth proportional to 220,391,187.60, 330,586,781.40 and 99,458,835.60 is: 149,188,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,391,187.60 : 330,586,781.40 = 99,458,835.60 : x
  2. Step 2: Convert to fraction form
    220,391,187.60/330,586,781.40 = 99,458,835.60/x
  3. Step 3: Cross multiply
    220,391,187.60x = 330,586,781.40 × 99,458,835.60
  4. Step 4: Simplify right side
    220,391,187.60x = 32,879,776,342,795,732
  5. Step 5: Solve for x
    x = 32,879,776,342,795,732/220,391,187.60
  6. Step 6: Final answer
    x = 149,188,253.40

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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.