Home / 153,230,116.05-211,462,046.42-83,619,983.70

Finding the Fourth Proportional to 153,230,116.05, 211,462,046.42 and 83,619,983.70

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Solution

The fourth proportional to 153,230,116.05, 211,462,046.42 and 83,619,983.70 is: 115,398,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,230,116.05 : 211,462,046.42 = 83,619,983.70 : x
  2. Step 2: Convert to fraction form
    153,230,116.05/211,462,046.42 = 83,619,983.70/x
  3. Step 3: Cross multiply
    153,230,116.05x = 211,462,046.42 × 83,619,983.70
  4. Step 4: Simplify right side
    153,230,116.05x = 17,682,452,874,390,944
  5. Step 5: Solve for x
    x = 17,682,452,874,390,944/153,230,116.05
  6. Step 6: Final answer
    x = 115,398,025.73

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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.