Home / 81,005,149.88-111,751,483.59-47,497,525.71

Finding the Fourth Proportional to 81,005,149.88, 111,751,483.59 and 47,497,525.71

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Solution

The fourth proportional to 81,005,149.88, 111,751,483.59 and 47,497,525.71 is: 65,525,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,005,149.88 : 111,751,483.59 = 47,497,525.71 : x
  2. Step 2: Convert to fraction form
    81,005,149.88/111,751,483.59 = 47,497,525.71/x
  3. Step 3: Cross multiply
    81,005,149.88x = 111,751,483.59 × 47,497,525.71
  4. Step 4: Simplify right side
    81,005,149.88x = 5,307,918,964,946,668
  5. Step 5: Solve for x
    x = 5,307,918,964,946,668/81,005,149.88
  6. Step 6: Final answer
    x = 65,525,697.73

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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.