Home / 205,015,460.02-282,921,150.60-115,726,202.72

Finding the Fourth Proportional to 205,015,460.02, 282,921,150.60 and 115,726,202.72

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Solution

The fourth proportional to 205,015,460.02, 282,921,150.60 and 115,726,202.72 is: 159,702,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,015,460.02 : 282,921,150.60 = 115,726,202.72 : x
  2. Step 2: Convert to fraction form
    205,015,460.02/282,921,150.60 = 115,726,202.72/x
  3. Step 3: Cross multiply
    205,015,460.02x = 282,921,150.60 × 115,726,202.72
  4. Step 4: Simplify right side
    205,015,460.02x = 32,741,390,428,111,252
  5. Step 5: Solve for x
    x = 32,741,390,428,111,252/205,015,460.02
  6. Step 6: Final answer
    x = 159,702,055.76

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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.