Home / 199,308,834.60-298,963,251.90-111,780,501.90

Finding the Fourth Proportional to 199,308,834.60, 298,963,251.90 and 111,780,501.90

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Solution

The fourth proportional to 199,308,834.60, 298,963,251.90 and 111,780,501.90 is: 167,670,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,308,834.60 : 298,963,251.90 = 111,780,501.90 : x
  2. Step 2: Convert to fraction form
    199,308,834.60/298,963,251.90 = 111,780,501.90/x
  3. Step 3: Cross multiply
    199,308,834.60x = 298,963,251.90 × 111,780,501.90
  4. Step 4: Simplify right side
    199,308,834.60x = 33,418,262,347,038,128
  5. Step 5: Solve for x
    x = 33,418,262,347,038,128/199,308,834.60
  6. Step 6: Final answer
    x = 167,670,752.85

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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.