Home / 147,020,416.80-220,530,625.20-131,148,045.60

Finding the Fourth Proportional to 147,020,416.80, 220,530,625.20 and 131,148,045.60

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Solution

The fourth proportional to 147,020,416.80, 220,530,625.20 and 131,148,045.60 is: 196,722,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,020,416.80 : 220,530,625.20 = 131,148,045.60 : x
  2. Step 2: Convert to fraction form
    147,020,416.80/220,530,625.20 = 131,148,045.60/x
  3. Step 3: Cross multiply
    147,020,416.80x = 220,530,625.20 × 131,148,045.60
  4. Step 4: Simplify right side
    147,020,416.80x = 28,922,160,489,926,108
  5. Step 5: Solve for x
    x = 28,922,160,489,926,108/147,020,416.80
  6. Step 6: Final answer
    x = 196,722,068.40

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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.