Home / 208,442,026.20-312,663,039.30-177,537,091.80

Finding the Fourth Proportional to 208,442,026.20, 312,663,039.30 and 177,537,091.80

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Solution

The fourth proportional to 208,442,026.20, 312,663,039.30 and 177,537,091.80 is: 266,305,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,442,026.20 : 312,663,039.30 = 177,537,091.80 : x
  2. Step 2: Convert to fraction form
    208,442,026.20/312,663,039.30 = 177,537,091.80/x
  3. Step 3: Cross multiply
    208,442,026.20x = 312,663,039.30 × 177,537,091.80
  4. Step 4: Simplify right side
    208,442,026.20x = 55,509,286,710,671,112
  5. Step 5: Solve for x
    x = 55,509,286,710,671,112/208,442,026.20
  6. Step 6: Final answer
    x = 266,305,637.70

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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.