Home / 51,988,740.24-71,749,275.56-28,783,867.20

Finding the Fourth Proportional to 51,988,740.24, 71,749,275.56 and 28,783,867.20

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Solution

The fourth proportional to 51,988,740.24, 71,749,275.56 and 28,783,867.20 is: 39,724,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988,740.24 : 71,749,275.56 = 28,783,867.20 : x
  2. Step 2: Convert to fraction form
    51,988,740.24/71,749,275.56 = 28,783,867.20/x
  3. Step 3: Cross multiply
    51,988,740.24x = 71,749,275.56 × 28,783,867.20
  4. Step 4: Simplify right side
    51,988,740.24x = 2,065,221,619,415,245.75
  5. Step 5: Solve for x
    x = 2,065,221,619,415,245.75/51,988,740.24
  6. Step 6: Final answer
    x = 39,724,402.05

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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.