Home / 165,138,449.09-227,896,909.09-90,804,670.11

Finding the Fourth Proportional to 165,138,449.09, 227,896,909.09 and 90,804,670.11

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Solution

The fourth proportional to 165,138,449.09, 227,896,909.09 and 90,804,670.11 is: 125,313,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,138,449.09 : 227,896,909.09 = 90,804,670.11 : x
  2. Step 2: Convert to fraction form
    165,138,449.09/227,896,909.09 = 90,804,670.11/x
  3. Step 3: Cross multiply
    165,138,449.09x = 227,896,909.09 × 90,804,670.11
  4. Step 4: Simplify right side
    165,138,449.09x = 20,694,103,648,779,100
  5. Step 5: Solve for x
    x = 20,694,103,648,779,100/165,138,449.09
  6. Step 6: Final answer
    x = 125,313,661.13

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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.