Home / 51,308,720.50-70,813,080.03-31,458,976.33

Finding the Fourth Proportional to 51,308,720.50, 70,813,080.03 and 31,458,976.33

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Solution

The fourth proportional to 51,308,720.50, 70,813,080.03 and 31,458,976.33 is: 43,417,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,308,720.50 : 70,813,080.03 = 31,458,976.33 : x
  2. Step 2: Convert to fraction form
    51,308,720.50/70,813,080.03 = 31,458,976.33/x
  3. Step 3: Cross multiply
    51,308,720.50x = 70,813,080.03 × 31,458,976.33
  4. Step 4: Simplify right side
    51,308,720.50x = 2,227,707,008,518,165.50
  5. Step 5: Solve for x
    x = 2,227,707,008,518,165.50/51,308,720.50
  6. Step 6: Final answer
    x = 43,417,707.30

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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.