Home / 51,261,448.42-70,733,189.01-31,133,972.41

Finding the Fourth Proportional to 51,261,448.42, 70,733,189.01 and 31,133,972.41

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Solution

The fourth proportional to 51,261,448.42, 70,733,189.01 and 31,133,972.41 is: 42,960,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,261,448.42 : 70,733,189.01 = 31,133,972.41 : x
  2. Step 2: Convert to fraction form
    51,261,448.42/70,733,189.01 = 31,133,972.41/x
  3. Step 3: Cross multiply
    51,261,448.42x = 70,733,189.01 × 31,133,972.41
  4. Step 4: Simplify right side
    51,261,448.42x = 2,202,205,155,108,655.50
  5. Step 5: Solve for x
    x = 2,202,205,155,108,655.50/51,261,448.42
  6. Step 6: Final answer
    x = 42,960,260.06

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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.