Home / 191,853,808.20-287,780,712.30-161,242,806.60

Finding the Fourth Proportional to 191,853,808.20, 287,780,712.30 and 161,242,806.60

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Solution

The fourth proportional to 191,853,808.20, 287,780,712.30 and 161,242,806.60 is: 241,864,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,853,808.20 : 287,780,712.30 = 161,242,806.60 : x
  2. Step 2: Convert to fraction form
    191,853,808.20/287,780,712.30 = 161,242,806.60/x
  3. Step 3: Cross multiply
    191,853,808.20x = 287,780,712.30 × 161,242,806.60
  4. Step 4: Simplify right side
    191,853,808.20x = 46,402,569,736,599,144
  5. Step 5: Solve for x
    x = 46,402,569,736,599,144/191,853,808.20
  6. Step 6: Final answer
    x = 241,864,209.90

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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.