Home / 133,454,298.54-200,142,781.65-40,077,502.86

Finding the Fourth Proportional to 133,454,298.54, 200,142,781.65 and 40,077,502.86

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Solution

The fourth proportional to 133,454,298.54, 200,142,781.65 and 40,077,502.86 is: 60,104,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,454,298.54 : 200,142,781.65 = 40,077,502.86 : x
  2. Step 2: Convert to fraction form
    133,454,298.54/200,142,781.65 = 40,077,502.86/x
  3. Step 3: Cross multiply
    133,454,298.54x = 200,142,781.65 × 40,077,502.86
  4. Step 4: Simplify right side
    133,454,298.54x = 8,021,222,903,986,231
  5. Step 5: Solve for x
    x = 8,021,222,903,986,231/133,454,298.54
  6. Step 6: Final answer
    x = 60,104,642.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.