Home / 55,617,720.88-76,749,780.52-30,838,914.76

Finding the Fourth Proportional to 55,617,720.88, 76,749,780.52 and 30,838,914.76

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Solution

The fourth proportional to 55,617,720.88, 76,749,780.52 and 30,838,914.76 is: 42,556,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,617,720.88 : 76,749,780.52 = 30,838,914.76 : x
  2. Step 2: Convert to fraction form
    55,617,720.88/76,749,780.52 = 30,838,914.76/x
  3. Step 3: Cross multiply
    55,617,720.88x = 76,749,780.52 × 30,838,914.76
  4. Step 4: Simplify right side
    55,617,720.88x = 2,366,879,939,304,988.50
  5. Step 5: Solve for x
    x = 2,366,879,939,304,988.50/55,617,720.88
  6. Step 6: Final answer
    x = 42,556,219.53

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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.