Home / 320,787,044.06-442,674,279.50-174,106,178.78

Finding the Fourth Proportional to 320,787,044.06, 442,674,279.50 and 174,106,178.78

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Solution

The fourth proportional to 320,787,044.06, 442,674,279.50 and 174,106,178.78 is: 240,260,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,787,044.06 : 442,674,279.50 = 174,106,178.78 : x
  2. Step 2: Convert to fraction form
    320,787,044.06/442,674,279.50 = 174,106,178.78/x
  3. Step 3: Cross multiply
    320,787,044.06x = 442,674,279.50 × 174,106,178.78
  4. Step 4: Simplify right side
    320,787,044.06x = 77,072,327,247,934,688
  5. Step 5: Solve for x
    x = 77,072,327,247,934,688/320,787,044.06
  6. Step 6: Final answer
    x = 240,260,099.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.