Home / 55,433,430.69-76,498,629.68-30,655,284.45

Finding the Fourth Proportional to 55,433,430.69, 76,498,629.68 and 30,655,284.45

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Solution

The fourth proportional to 55,433,430.69, 76,498,629.68 and 30,655,284.45 is: 42,304,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,433,430.69 : 76,498,629.68 = 30,655,284.45 : x
  2. Step 2: Convert to fraction form
    55,433,430.69/76,498,629.68 = 30,655,284.45/x
  3. Step 3: Cross multiply
    55,433,430.69x = 76,498,629.68 × 30,655,284.45
  4. Step 4: Simplify right side
    55,433,430.69x = 2,345,087,252,722,336
  5. Step 5: Solve for x
    x = 2,345,087,252,722,336/55,433,430.69
  6. Step 6: Final answer
    x = 42,304,566.46

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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.