Home / 55,433,357.31-76,498,528.67-30,655,211.25

Finding the Fourth Proportional to 55,433,357.31, 76,498,528.67 and 30,655,211.25

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Solution

The fourth proportional to 55,433,357.31, 76,498,528.67 and 30,655,211.25 is: 42,304,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,433,357.31 : 76,498,528.67 = 30,655,211.25 : x
  2. Step 2: Convert to fraction form
    55,433,357.31/76,498,528.67 = 30,655,211.25/x
  3. Step 3: Cross multiply
    55,433,357.31x = 76,498,528.67 × 30,655,211.25
  4. Step 4: Simplify right side
    55,433,357.31x = 2,345,078,556,539,755.50
  5. Step 5: Solve for x
    x = 2,345,078,556,539,755.50/55,433,357.31
  6. Step 6: Final answer
    x = 42,304,465.58

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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.