Home / 83,983,011-125,974,516.50-20,157,603

Finding the Fourth Proportional to 83,983,011, 125,974,516.50 and 20,157,603

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Solution

The fourth proportional to 83,983,011, 125,974,516.50 and 20,157,603 is: 30,236,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,983,011 : 125,974,516.50 = 20,157,603 : x
  2. Step 2: Convert to fraction form
    83,983,011/125,974,516.50 = 20,157,603/x
  3. Step 3: Cross multiply
    83,983,011x = 125,974,516.50 × 20,157,603
  4. Step 4: Simplify right side
    83,983,011x = 2,539,344,291,723,949.50
  5. Step 5: Solve for x
    x = 2,539,344,291,723,949.50/83,983,011
  6. Step 6: Final answer
    x = 30,236,404.50

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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.