Home / 87,105,276.34-120,208,453.44-47,410,888.74

Finding the Fourth Proportional to 87,105,276.34, 120,208,453.44 and 47,410,888.74

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Solution

The fourth proportional to 87,105,276.34, 120,208,453.44 and 47,410,888.74 is: 65,428,753.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,105,276.34 : 120,208,453.44 = 47,410,888.74 : x
  2. Step 2: Convert to fraction form
    87,105,276.34/120,208,453.44 = 47,410,888.74/x
  3. Step 3: Cross multiply
    87,105,276.34x = 120,208,453.44 × 47,410,888.74
  4. Step 4: Simplify right side
    87,105,276.34x = 5,699,189,611,651,310
  5. Step 5: Solve for x
    x = 5,699,189,611,651,310/87,105,276.34
  6. Step 6: Final answer
    x = 65,428,753.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.