Home / 199,605,257.70-275,455,239.30-111,499,254.58

Finding the Fourth Proportional to 199,605,257.70, 275,455,239.30 and 111,499,254.58

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Solution

The fourth proportional to 199,605,257.70, 275,455,239.30 and 111,499,254.58 is: 153,868,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,605,257.70 : 275,455,239.30 = 111,499,254.58 : x
  2. Step 2: Convert to fraction form
    199,605,257.70/275,455,239.30 = 111,499,254.58/x
  3. Step 3: Cross multiply
    199,605,257.70x = 275,455,239.30 × 111,499,254.58
  4. Step 4: Simplify right side
    199,605,257.70x = 30,713,053,852,105,520
  5. Step 5: Solve for x
    x = 30,713,053,852,105,520/199,605,257.70
  6. Step 6: Final answer
    x = 153,868,962.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.