Home / 55,542,127.99-76,642,301.49-30,761,665.60

Finding the Fourth Proportional to 55,542,127.99, 76,642,301.49 and 30,761,665.60

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Solution

The fourth proportional to 55,542,127.99, 76,642,301.49 and 30,761,665.60 is: 42,447,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,542,127.99 : 76,642,301.49 = 30,761,665.60 : x
  2. Step 2: Convert to fraction form
    55,542,127.99/76,642,301.49 = 30,761,665.60/x
  3. Step 3: Cross multiply
    55,542,127.99x = 76,642,301.49 × 30,761,665.60
  4. Step 4: Simplify right side
    55,542,127.99x = 2,357,644,849,249,761.50
  5. Step 5: Solve for x
    x = 2,357,644,849,249,761.50/55,542,127.99
  6. Step 6: Final answer
    x = 42,447,866.77

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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.