Home / 188,446,106.25-282,669,262.65-86,138,399.34

Finding the Fourth Proportional to 188,446,106.25, 282,669,262.65 and 86,138,399.34

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Solution

The fourth proportional to 188,446,106.25, 282,669,262.65 and 86,138,399.34 is: 129,207,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,446,106.25 : 282,669,262.65 = 86,138,399.34 : x
  2. Step 2: Convert to fraction form
    188,446,106.25/282,669,262.65 = 86,138,399.34/x
  3. Step 3: Cross multiply
    188,446,106.25x = 282,669,262.65 × 86,138,399.34
  4. Step 4: Simplify right side
    188,446,106.25x = 24,348,677,827,289,044
  5. Step 5: Solve for x
    x = 24,348,677,827,289,044/188,446,106.25
  6. Step 6: Final answer
    x = 129,207,646.22

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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.