Home / 131,785,470.54-197,767,512.87-54,076,423.41

Finding the Fourth Proportional to 131,785,470.54, 197,767,512.87 and 54,076,423.41

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Solution

The fourth proportional to 131,785,470.54, 197,767,512.87 and 54,076,423.41 is: 81,151,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,785,470.54 : 197,767,512.87 = 54,076,423.41 : x
  2. Step 2: Convert to fraction form
    131,785,470.54/197,767,512.87 = 54,076,423.41/x
  3. Step 3: Cross multiply
    131,785,470.54x = 197,767,512.87 × 54,076,423.41
  4. Step 4: Simplify right side
    131,785,470.54x = 10,694,559,762,700,744
  5. Step 5: Solve for x
    x = 10,694,559,762,700,744/131,785,470.54
  6. Step 6: Final answer
    x = 81,151,281.08

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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.