Home / 291,384,206.80-437,076,310.20-146,265,384.40

Finding the Fourth Proportional to 291,384,206.80, 437,076,310.20 and 146,265,384.40

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Solution

The fourth proportional to 291,384,206.80, 437,076,310.20 and 146,265,384.40 is: 219,398,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,384,206.80 : 437,076,310.20 = 146,265,384.40 : x
  2. Step 2: Convert to fraction form
    291,384,206.80/437,076,310.20 = 146,265,384.40/x
  3. Step 3: Cross multiply
    291,384,206.80x = 437,076,310.20 × 146,265,384.40
  4. Step 4: Simplify right side
    291,384,206.80x = 63,929,134,523,536,640
  5. Step 5: Solve for x
    x = 63,929,134,523,536,640/291,384,206.80
  6. Step 6: Final answer
    x = 219,398,076.60

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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.