Home / 55,196,715.23-76,171,970.80-30,417,791.15

Finding the Fourth Proportional to 55,196,715.23, 76,171,970.80 and 30,417,791.15

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Solution

The fourth proportional to 55,196,715.23, 76,171,970.80 and 30,417,791.15 is: 41,976,829.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,715.23 : 76,171,970.80 = 30,417,791.15 : x
  2. Step 2: Convert to fraction form
    55,196,715.23/76,171,970.80 = 30,417,791.15/x
  3. Step 3: Cross multiply
    55,196,715.23x = 76,171,970.80 × 30,417,791.15
  4. Step 4: Simplify right side
    55,196,715.23x = 2,316,983,098,821,394
  5. Step 5: Solve for x
    x = 2,316,983,098,821,394/55,196,715.23
  6. Step 6: Final answer
    x = 41,976,829.41

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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.