Home / 169,489,742.40-254,234,613.60-131,225,990.40

Finding the Fourth Proportional to 169,489,742.40, 254,234,613.60 and 131,225,990.40

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Solution

The fourth proportional to 169,489,742.40, 254,234,613.60 and 131,225,990.40 is: 196,838,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,489,742.40 : 254,234,613.60 = 131,225,990.40 : x
  2. Step 2: Convert to fraction form
    169,489,742.40/254,234,613.60 = 131,225,990.40/x
  3. Step 3: Cross multiply
    169,489,742.40x = 254,234,613.60 × 131,225,990.40
  4. Step 4: Simplify right side
    169,489,742.40x = 33,362,188,963,621,312
  5. Step 5: Solve for x
    x = 33,362,188,963,621,312/169,489,742.40
  6. Step 6: Final answer
    x = 196,838,985.60

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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.