Home / 131,076,064.80-196,661,336.40-54,454,082.40

Finding the Fourth Proportional to 131,076,064.80, 196,661,336.40 and 54,454,082.40

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Solution

The fourth proportional to 131,076,064.80, 196,661,336.40 and 54,454,082.40 is: 81,700,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,076,064.80 : 196,661,336.40 = 54,454,082.40 : x
  2. Step 2: Convert to fraction form
    131,076,064.80/196,661,336.40 = 54,454,082.40/x
  3. Step 3: Cross multiply
    131,076,064.80x = 196,661,336.40 × 54,454,082.40
  4. Step 4: Simplify right side
    131,076,064.80x = 10,709,012,617,219,720
  5. Step 5: Solve for x
    x = 10,709,012,617,219,720/131,076,064.80
  6. Step 6: Final answer
    x = 81,700,748.60

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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.