Home / 140,055,768.14-209,175,613.46-126,898,899.08

Finding the Fourth Proportional to 140,055,768.14, 209,175,613.46 and 126,898,899.08

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Solution

The fourth proportional to 140,055,768.14, 209,175,613.46 and 126,898,899.08 is: 189,525,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,055,768.14 : 209,175,613.46 = 126,898,899.08 : x
  2. Step 2: Convert to fraction form
    140,055,768.14/209,175,613.46 = 126,898,899.08/x
  3. Step 3: Cross multiply
    140,055,768.14x = 209,175,613.46 × 126,898,899.08
  4. Step 4: Simplify right side
    140,055,768.14x = 26,544,155,061,430,788
  5. Step 5: Solve for x
    x = 26,544,155,061,430,788/140,055,768.14
  6. Step 6: Final answer
    x = 189,525,611.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.