Home / 205,156,946.35-307,246,911.76-118,713,176.11

Finding the Fourth Proportional to 205,156,946.35, 307,246,911.76 and 118,713,176.11

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Solution

The fourth proportional to 205,156,946.35, 307,246,911.76 and 118,713,176.11 is: 177,787,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,156,946.35 : 307,246,911.76 = 118,713,176.11 : x
  2. Step 2: Convert to fraction form
    205,156,946.35/307,246,911.76 = 118,713,176.11/x
  3. Step 3: Cross multiply
    205,156,946.35x = 307,246,911.76 × 118,713,176.11
  4. Step 4: Simplify right side
    205,156,946.35x = 36,474,256,745,018,512
  5. Step 5: Solve for x
    x = 36,474,256,745,018,512/205,156,946.35
  6. Step 6: Final answer
    x = 177,787,091.27

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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.