Home / 73,778,970.80-110,668,456.20-43,167,969.20

Finding the Fourth Proportional to 73,778,970.80, 110,668,456.20 and 43,167,969.20

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Solution

The fourth proportional to 73,778,970.80, 110,668,456.20 and 43,167,969.20 is: 64,751,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,778,970.80 : 110,668,456.20 = 43,167,969.20 : x
  2. Step 2: Convert to fraction form
    73,778,970.80/110,668,456.20 = 43,167,969.20/x
  3. Step 3: Cross multiply
    73,778,970.80x = 110,668,456.20 × 43,167,969.20
  4. Step 4: Simplify right side
    73,778,970.80x = 4,777,332,508,653,149
  5. Step 5: Solve for x
    x = 4,777,332,508,653,149/73,778,970.80
  6. Step 6: Final answer
    x = 64,751,953.80

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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.