Home / 189,342,402.86-261,272,610.79-109,941,943.58

Finding the Fourth Proportional to 189,342,402.86, 261,272,610.79 and 109,941,943.58

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Solution

The fourth proportional to 189,342,402.86, 261,272,610.79 and 109,941,943.58 is: 151,708,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,342,402.86 : 261,272,610.79 = 109,941,943.58 : x
  2. Step 2: Convert to fraction form
    189,342,402.86/261,272,610.79 = 109,941,943.58/x
  3. Step 3: Cross multiply
    189,342,402.86x = 261,272,610.79 × 109,941,943.58
  4. Step 4: Simplify right side
    189,342,402.86x = 28,724,818,633,872,032
  5. Step 5: Solve for x
    x = 28,724,818,633,872,032/189,342,402.86
  6. Step 6: Final answer
    x = 151,708,324.18

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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.