Home / 205,045,781.72-282,932,739.44-124,535,877.64

Finding the Fourth Proportional to 205,045,781.72, 282,932,739.44 and 124,535,877.64

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Solution

The fourth proportional to 205,045,781.72, 282,932,739.44 and 124,535,877.64 is: 171,841,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,045,781.72 : 282,932,739.44 = 124,535,877.64 : x
  2. Step 2: Convert to fraction form
    205,045,781.72/282,932,739.44 = 124,535,877.64/x
  3. Step 3: Cross multiply
    205,045,781.72x = 282,932,739.44 × 124,535,877.64
  4. Step 4: Simplify right side
    205,045,781.72x = 35,235,277,019,249,840
  5. Step 5: Solve for x
    x = 35,235,277,019,249,840/205,045,781.72
  6. Step 6: Final answer
    x = 171,841,023.62

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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.