Home / 105,178,999.80-157,776,426.21-31,396,951.72

Finding the Fourth Proportional to 105,178,999.80, 157,776,426.21 and 31,396,951.72

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Solution

The fourth proportional to 105,178,999.80, 157,776,426.21 and 31,396,951.72 is: 47,097,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,178,999.80 : 157,776,426.21 = 31,396,951.72 : x
  2. Step 2: Convert to fraction form
    105,178,999.80/157,776,426.21 = 31,396,951.72/x
  3. Step 3: Cross multiply
    105,178,999.80x = 157,776,426.21 × 31,396,951.72
  4. Step 4: Simplify right side
    105,178,999.80x = 4,953,698,836,584,472
  5. Step 5: Solve for x
    x = 4,953,698,836,584,472/105,178,999.80
  6. Step 6: Final answer
    x = 47,097,793.72

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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.