Home / 76,091,784-114,070,489.92-58,220,669.76

Finding the Fourth Proportional to 76,091,784, 114,070,489.92 and 58,220,669.76

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Solution

The fourth proportional to 76,091,784, 114,070,489.92 and 58,220,669.76 is: 87,279,598.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,091,784 : 114,070,489.92 = 58,220,669.76 : x
  2. Step 2: Convert to fraction form
    76,091,784/114,070,489.92 = 58,220,669.76/x
  3. Step 3: Cross multiply
    76,091,784x = 114,070,489.92 × 58,220,669.76
  4. Step 4: Simplify right side
    76,091,784x = 6,641,260,322,993,729
  5. Step 5: Solve for x
    x = 6,641,260,322,993,729/76,091,784
  6. Step 6: Final answer
    x = 87,279,598.06

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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.