Home / 309,416,044.38-464,176,943.37-127,563,812.70

Finding the Fourth Proportional to 309,416,044.38, 464,176,943.37 and 127,563,812.70

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Solution

The fourth proportional to 309,416,044.38, 464,176,943.37 and 127,563,812.70 is: 191,367,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,416,044.38 : 464,176,943.37 = 127,563,812.70 : x
  2. Step 2: Convert to fraction form
    309,416,044.38/464,176,943.37 = 127,563,812.70/x
  3. Step 3: Cross multiply
    309,416,044.38x = 464,176,943.37 × 127,563,812.70
  4. Step 4: Simplify right side
    309,416,044.38x = 59,212,180,663,709,192
  5. Step 5: Solve for x
    x = 59,212,180,663,709,192/309,416,044.38
  6. Step 6: Final answer
    x = 191,367,518.72

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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.