Home / 53,216,999.80-79,825,499.70-48,115,166.20

Finding the Fourth Proportional to 53,216,999.80, 79,825,499.70 and 48,115,166.20

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Solution

The fourth proportional to 53,216,999.80, 79,825,499.70 and 48,115,166.20 is: 72,172,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,216,999.80 : 79,825,499.70 = 48,115,166.20 : x
  2. Step 2: Convert to fraction form
    53,216,999.80/79,825,499.70 = 48,115,166.20/x
  3. Step 3: Cross multiply
    53,216,999.80x = 79,825,499.70 × 48,115,166.20
  4. Step 4: Simplify right side
    53,216,999.80x = 3,840,817,185,063,550.50
  5. Step 5: Solve for x
    x = 3,840,817,185,063,550.50/53,216,999.80
  6. Step 6: Final answer
    x = 72,172,749.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.