Home / 193,137,005.20-289,756,829.40-83,915,309.20

Finding the Fourth Proportional to 193,137,005.20, 289,756,829.40 and 83,915,309.20

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Solution

The fourth proportional to 193,137,005.20, 289,756,829.40 and 83,915,309.20 is: 125,895,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,137,005.20 : 289,756,829.40 = 83,915,309.20 : x
  2. Step 2: Convert to fraction form
    193,137,005.20/289,756,829.40 = 83,915,309.20/x
  3. Step 3: Cross multiply
    193,137,005.20x = 289,756,829.40 × 83,915,309.20
  4. Step 4: Simplify right side
    193,137,005.20x = 24,315,033,931,912,648
  5. Step 5: Solve for x
    x = 24,315,033,931,912,648/193,137,005.20
  6. Step 6: Final answer
    x = 125,895,262.31

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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.