Home / 272,865,387.70-409,298,081.55-136,501,563.70

Finding the Fourth Proportional to 272,865,387.70, 409,298,081.55 and 136,501,563.70

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Solution

The fourth proportional to 272,865,387.70, 409,298,081.55 and 136,501,563.70 is: 204,752,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,865,387.70 : 409,298,081.55 = 136,501,563.70 : x
  2. Step 2: Convert to fraction form
    272,865,387.70/409,298,081.55 = 136,501,563.70/x
  3. Step 3: Cross multiply
    272,865,387.70x = 409,298,081.55 × 136,501,563.70
  4. Step 4: Simplify right side
    272,865,387.70x = 55,869,828,150,985,120
  5. Step 5: Solve for x
    x = 55,869,828,150,985,120/272,865,387.70
  6. Step 6: Final answer
    x = 204,752,345.55

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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.