Home / 105,178,380.94-157,775,502.05-31,396,332.86

Finding the Fourth Proportional to 105,178,380.94, 157,775,502.05 and 31,396,332.86

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Solution

The fourth proportional to 105,178,380.94, 157,775,502.05 and 31,396,332.86 is: 47,096,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,178,380.94 : 157,775,502.05 = 31,396,332.86 : x
  2. Step 2: Convert to fraction form
    105,178,380.94/157,775,502.05 = 31,396,332.86/x
  3. Step 3: Cross multiply
    105,178,380.94x = 157,775,502.05 × 31,396,332.86
  4. Step 4: Simplify right side
    105,178,380.94x = 4,953,572,179,515,413
  5. Step 5: Solve for x
    x = 4,953,572,179,515,413/105,178,380.94
  6. Step 6: Final answer
    x = 47,096,866.63

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