Home / 153,230,114.05-211,462,043.66-83,619,981.70

Finding the Fourth Proportional to 153,230,114.05, 211,462,043.66 and 83,619,981.70

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Solution

The fourth proportional to 153,230,114.05, 211,462,043.66 and 83,619,981.70 is: 115,398,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,230,114.05 : 211,462,043.66 = 83,619,981.70 : x
  2. Step 2: Convert to fraction form
    153,230,114.05/211,462,043.66 = 83,619,981.70/x
  3. Step 3: Cross multiply
    153,230,114.05x = 211,462,043.66 × 83,619,981.70
  4. Step 4: Simplify right side
    153,230,114.05x = 17,682,452,220,675,702
  5. Step 5: Solve for x
    x = 17,682,452,220,675,702/153,230,114.05
  6. Step 6: Final answer
    x = 115,398,022.97

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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.