Home / 31,212,902.40-43,727,923.20-31,212,902.40

Finding the Fourth Proportional to 31,212,902.40, 43,727,923.20 and 31,212,902.40

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Solution

The fourth proportional to 31,212,902.40, 43,727,923.20 and 31,212,902.40 is: 43,727,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212,902.40 : 43,727,923.20 = 31,212,902.40 : x
  2. Step 2: Convert to fraction form
    31,212,902.40/43,727,923.20 = 31,212,902.40/x
  3. Step 3: Cross multiply
    31,212,902.40x = 43,727,923.20 × 31,212,902.40
  4. Step 4: Simplify right side
    31,212,902.40x = 1,364,875,398,996,295.75
  5. Step 5: Solve for x
    x = 1,364,875,398,996,295.75/31,212,902.40
  6. Step 6: Final answer
    x = 43,727,923.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.