Home / 205,015,459.02-282,921,149.22-115,726,201.72

Finding the Fourth Proportional to 205,015,459.02, 282,921,149.22 and 115,726,201.72

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Solution

The fourth proportional to 205,015,459.02, 282,921,149.22 and 115,726,201.72 is: 159,702,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,015,459.02 : 282,921,149.22 = 115,726,201.72 : x
  2. Step 2: Convert to fraction form
    205,015,459.02/282,921,149.22 = 115,726,201.72/x
  3. Step 3: Cross multiply
    205,015,459.02x = 282,921,149.22 × 115,726,201.72
  4. Step 4: Simplify right side
    205,015,459.02x = 32,741,389,985,487,944
  5. Step 5: Solve for x
    x = 32,741,389,985,487,944/205,015,459.02
  6. Step 6: Final answer
    x = 159,702,054.38

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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.