Home / 191,520,086.40-287,280,129.60-188,496,777.60

Finding the Fourth Proportional to 191,520,086.40, 287,280,129.60 and 188,496,777.60

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Solution

The fourth proportional to 191,520,086.40, 287,280,129.60 and 188,496,777.60 is: 282,745,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,520,086.40 : 287,280,129.60 = 188,496,777.60 : x
  2. Step 2: Convert to fraction form
    191,520,086.40/287,280,129.60 = 188,496,777.60/x
  3. Step 3: Cross multiply
    191,520,086.40x = 287,280,129.60 × 188,496,777.60
  4. Step 4: Simplify right side
    191,520,086.40x = 54,151,378,698,110,376
  5. Step 5: Solve for x
    x = 54,151,378,698,110,376/191,520,086.40
  6. Step 6: Final answer
    x = 282,745,166.40

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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.