Home / 188,446,117.50-282,669,279.53-86,138,410.59

Finding the Fourth Proportional to 188,446,117.50, 282,669,279.53 and 86,138,410.59

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Solution

The fourth proportional to 188,446,117.50, 282,669,279.53 and 86,138,410.59 is: 129,207,663.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,446,117.50 : 282,669,279.53 = 86,138,410.59 : x
  2. Step 2: Convert to fraction form
    188,446,117.50/282,669,279.53 = 86,138,410.59/x
  3. Step 3: Cross multiply
    188,446,117.50x = 282,669,279.53 × 86,138,410.59
  4. Step 4: Simplify right side
    188,446,117.50x = 24,348,682,460,903,928
  5. Step 5: Solve for x
    x = 24,348,682,460,903,928/188,446,117.50
  6. Step 6: Final answer
    x = 129,207,663.09

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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.