Home / 105,220,229.16-145,198,059.12-58,174,582.74

Finding the Fourth Proportional to 105,220,229.16, 145,198,059.12 and 58,174,582.74

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Solution

The fourth proportional to 105,220,229.16, 145,198,059.12 and 58,174,582.74 is: 80,277,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,220,229.16 : 145,198,059.12 = 58,174,582.74 : x
  2. Step 2: Convert to fraction form
    105,220,229.16/145,198,059.12 = 58,174,582.74/x
  3. Step 3: Cross multiply
    105,220,229.16x = 145,198,059.12 × 58,174,582.74
  4. Step 4: Simplify right side
    105,220,229.16x = 8,446,836,503,963,852
  5. Step 5: Solve for x
    x = 8,446,836,503,963,852/105,220,229.16
  6. Step 6: Final answer
    x = 80,277,685.87

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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.