Home / 191,520,039.40-287,280,059.10-188,496,730.60

Finding the Fourth Proportional to 191,520,039.40, 287,280,059.10 and 188,496,730.60

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Solution

The fourth proportional to 191,520,039.40, 287,280,059.10 and 188,496,730.60 is: 282,745,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,520,039.40 : 287,280,059.10 = 188,496,730.60 : x
  2. Step 2: Convert to fraction form
    191,520,039.40/287,280,059.10 = 188,496,730.60/x
  3. Step 3: Cross multiply
    191,520,039.40x = 287,280,059.10 × 188,496,730.60
  4. Step 4: Simplify right side
    191,520,039.40x = 54,151,351,906,924,784
  5. Step 5: Solve for x
    x = 54,151,351,906,924,784/191,520,039.40
  6. Step 6: Final answer
    x = 282,745,095.90

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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.