Home / 199,308,905.60-298,963,358.40-111,780,572.90

Finding the Fourth Proportional to 199,308,905.60, 298,963,358.40 and 111,780,572.90

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Solution

The fourth proportional to 199,308,905.60, 298,963,358.40 and 111,780,572.90 is: 167,670,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,308,905.60 : 298,963,358.40 = 111,780,572.90 : x
  2. Step 2: Convert to fraction form
    199,308,905.60/298,963,358.40 = 111,780,572.90/x
  3. Step 3: Cross multiply
    199,308,905.60x = 298,963,358.40 × 111,780,572.90
  4. Step 4: Simplify right side
    199,308,905.60x = 33,418,295,478,060,028
  5. Step 5: Solve for x
    x = 33,418,295,478,060,028/199,308,905.60
  6. Step 6: Final answer
    x = 167,670,859.35

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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.