Home / 208,116,752.80-312,072,977.25-102,950,587.34

Finding the Fourth Proportional to 208,116,752.80, 312,072,977.25 and 102,950,587.34

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Solution

The fourth proportional to 208,116,752.80, 312,072,977.25 and 102,950,587.34 is: 154,375,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,116,752.80 : 312,072,977.25 = 102,950,587.34 : x
  2. Step 2: Convert to fraction form
    208,116,752.80/312,072,977.25 = 102,950,587.34/x
  3. Step 3: Cross multiply
    208,116,752.80x = 312,072,977.25 × 102,950,587.34
  4. Step 4: Simplify right side
    208,116,752.80x = 32,128,096,300,829,960
  5. Step 5: Solve for x
    x = 32,128,096,300,829,960/208,116,752.80
  6. Step 6: Final answer
    x = 154,375,348.78

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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.