Home / 55,641,497.05-76,794,460.65-30,869,664.86

Finding the Fourth Proportional to 55,641,497.05, 76,794,460.65 and 30,869,664.86

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Solution

The fourth proportional to 55,641,497.05, 76,794,460.65 and 30,869,664.86 is: 42,605,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,641,497.05 : 76,794,460.65 = 30,869,664.86 : x
  2. Step 2: Convert to fraction form
    55,641,497.05/76,794,460.65 = 30,869,664.86/x
  3. Step 3: Cross multiply
    55,641,497.05x = 76,794,460.65 × 30,869,664.86
  4. Step 4: Simplify right side
    55,641,497.05x = 2,370,619,263,561,944
  5. Step 5: Solve for x
    x = 2,370,619,263,561,944/55,641,497.05
  6. Step 6: Final answer
    x = 42,605,238.70

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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.