Home / 78,016,707.04-107,663,846.88-47,070,896.80

Finding the Fourth Proportional to 78,016,707.04, 107,663,846.88 and 47,070,896.80

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Solution

The fourth proportional to 78,016,707.04, 107,663,846.88 and 47,070,896.80 is: 64,958,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,016,707.04 : 107,663,846.88 = 47,070,896.80 : x
  2. Step 2: Convert to fraction form
    78,016,707.04/107,663,846.88 = 47,070,896.80/x
  3. Step 3: Cross multiply
    78,016,707.04x = 107,663,846.88 × 47,070,896.80
  4. Step 4: Simplify right side
    78,016,707.04x = 5,067,833,825,579,481
  5. Step 5: Solve for x
    x = 5,067,833,825,579,481/78,016,707.04
  6. Step 6: Final answer
    x = 64,958,314.93

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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.