Home / 99,606,891.56-137,457,693.77-55,556,729.68

Finding the Fourth Proportional to 99,606,891.56, 137,457,693.77 and 55,556,729.68

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Solution

The fourth proportional to 99,606,891.56, 137,457,693.77 and 55,556,729.68 is: 76,668,389.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,606,891.56 : 137,457,693.77 = 55,556,729.68 : x
  2. Step 2: Convert to fraction form
    99,606,891.56/137,457,693.77 = 55,556,729.68/x
  3. Step 3: Cross multiply
    99,606,891.56x = 137,457,693.77 × 55,556,729.68
  4. Step 4: Simplify right side
    99,606,891.56x = 7,636,699,934,594,682
  5. Step 5: Solve for x
    x = 7,636,699,934,594,682/99,606,891.56
  6. Step 6: Final answer
    x = 76,668,389.26

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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.