Home / 136,837,874.30-205,255,161.47-54,955,282.10

Finding the Fourth Proportional to 136,837,874.30, 205,255,161.47 and 54,955,282.10

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Solution

The fourth proportional to 136,837,874.30, 205,255,161.47 and 54,955,282.10 is: 82,432,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,837,874.30 : 205,255,161.47 = 54,955,282.10 : x
  2. Step 2: Convert to fraction form
    136,837,874.30/205,255,161.47 = 54,955,282.10/x
  3. Step 3: Cross multiply
    136,837,874.30x = 205,255,161.47 × 54,955,282.10
  4. Step 4: Simplify right side
    136,837,874.30x = 11,279,855,300,176,012
  5. Step 5: Solve for x
    x = 11,279,855,300,176,012/136,837,874.30
  6. Step 6: Final answer
    x = 82,432,260.50

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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.