Home / 213,687,347.04-320,556,690-75,484,573.92

Finding the Fourth Proportional to 213,687,347.04, 320,556,690 and 75,484,573.92

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Solution

The fourth proportional to 213,687,347.04, 320,556,690 and 75,484,573.92 is: 113,235,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,687,347.04 : 320,556,690 = 75,484,573.92 : x
  2. Step 2: Convert to fraction form
    213,687,347.04/320,556,690 = 75,484,573.92/x
  3. Step 3: Cross multiply
    213,687,347.04x = 320,556,690 × 75,484,573.92
  4. Step 4: Simplify right side
    213,687,347.04x = 24,197,085,161,855,524
  5. Step 5: Solve for x
    x = 24,197,085,161,855,524/213,687,347.04
  6. Step 6: Final answer
    x = 113,235,928.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.