Home / 197,702,978.73-272,830,104.75-109,596,753.15

Finding the Fourth Proportional to 197,702,978.73, 272,830,104.75 and 109,596,753.15

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Solution

The fourth proportional to 197,702,978.73, 272,830,104.75 and 109,596,753.15 is: 151,243,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,702,978.73 : 272,830,104.75 = 109,596,753.15 : x
  2. Step 2: Convert to fraction form
    197,702,978.73/272,830,104.75 = 109,596,753.15/x
  3. Step 3: Cross multiply
    197,702,978.73x = 272,830,104.75 × 109,596,753.15
  4. Step 4: Simplify right side
    197,702,978.73x = 29,901,293,642,174,396
  5. Step 5: Solve for x
    x = 29,901,293,642,174,396/197,702,978.73
  6. Step 6: Final answer
    x = 151,243,516.08

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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.