Home / 142,391,409.20-213,608,434.64-51,536,255.84

Finding the Fourth Proportional to 142,391,409.20, 213,608,434.64 and 51,536,255.84

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Solution

The fourth proportional to 142,391,409.20, 213,608,434.64 and 51,536,255.84 is: 77,312,100.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,391,409.20 : 213,608,434.64 = 51,536,255.84 : x
  2. Step 2: Convert to fraction form
    142,391,409.20/213,608,434.64 = 51,536,255.84/x
  3. Step 3: Cross multiply
    142,391,409.20x = 213,608,434.64 × 51,536,255.84
  4. Step 4: Simplify right side
    142,391,409.20x = 11,008,578,937,188,958
  5. Step 5: Solve for x
    x = 11,008,578,937,188,958/142,391,409.20
  6. Step 6: Final answer
    x = 77,312,100.49

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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.