Home / 53,788,926.80-80,263,867.70-47,991,809.46

Finding the Fourth Proportional to 53,788,926.80, 80,263,867.70 and 47,991,809.46

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Solution

The fourth proportional to 53,788,926.80, 80,263,867.70 and 47,991,809.46 is: 71,613,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,788,926.80 : 80,263,867.70 = 47,991,809.46 : x
  2. Step 2: Convert to fraction form
    53,788,926.80/80,263,867.70 = 47,991,809.46/x
  3. Step 3: Cross multiply
    53,788,926.80x = 80,263,867.70 × 47,991,809.46
  4. Step 4: Simplify right side
    53,788,926.80x = 3,852,008,245,181,048.50
  5. Step 5: Solve for x
    x = 3,852,008,245,181,048.50/53,788,926.80
  6. Step 6: Final answer
    x = 71,613,405.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.