Home / 78,067,394.75-107,733,646.61-43,260,666.45

Finding the Fourth Proportional to 78,067,394.75, 107,733,646.61 and 43,260,666.45

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Solution

The fourth proportional to 78,067,394.75, 107,733,646.61 and 43,260,666.45 is: 59,700,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,067,394.75 : 107,733,646.61 = 43,260,666.45 : x
  2. Step 2: Convert to fraction form
    78,067,394.75/107,733,646.61 = 43,260,666.45/x
  3. Step 3: Cross multiply
    78,067,394.75x = 107,733,646.61 × 43,260,666.45
  4. Step 4: Simplify right side
    78,067,394.75x = 4,660,629,351,221,080
  5. Step 5: Solve for x
    x = 4,660,629,351,221,080/78,067,394.75
  6. Step 6: Final answer
    x = 59,700,075.38

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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.