Home / 55,566,222.03-76,681,386.41-31,119,936.03

Finding the Fourth Proportional to 55,566,222.03, 76,681,386.41 and 31,119,936.03

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Solution

The fourth proportional to 55,566,222.03, 76,681,386.41 and 31,119,936.03 is: 42,945,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,566,222.03 : 76,681,386.41 = 31,119,936.03 : x
  2. Step 2: Convert to fraction form
    55,566,222.03/76,681,386.41 = 31,119,936.03/x
  3. Step 3: Cross multiply
    55,566,222.03x = 76,681,386.41 × 31,119,936.03
  4. Step 4: Simplify right side
    55,566,222.03x = 2,386,319,839,770,911.50
  5. Step 5: Solve for x
    x = 2,386,319,839,770,911.50/55,566,222.03
  6. Step 6: Final answer
    x = 42,945,511.73

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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.