Home / 105,109,786.83-145,030,468.64-58,692,898.83

Finding the Fourth Proportional to 105,109,786.83, 145,030,468.64 and 58,692,898.83

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Solution

The fourth proportional to 105,109,786.83, 145,030,468.64 and 58,692,898.83 is: 80,984,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,109,786.83 : 145,030,468.64 = 58,692,898.83 : x
  2. Step 2: Convert to fraction form
    105,109,786.83/145,030,468.64 = 58,692,898.83/x
  3. Step 3: Cross multiply
    105,109,786.83x = 145,030,468.64 × 58,692,898.83
  4. Step 4: Simplify right side
    105,109,786.83x = 8,512,258,622,861,542
  5. Step 5: Solve for x
    x = 8,512,258,622,861,542/105,109,786.83
  6. Step 6: Final answer
    x = 80,984,453.30

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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.