Home / 154,076,411.08-231,214,766.10-66,723,237.64

Finding the Fourth Proportional to 154,076,411.08, 231,214,766.10 and 66,723,237.64

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Solution

The fourth proportional to 154,076,411.08, 231,214,766.10 and 66,723,237.64 is: 100,128,226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,076,411.08 : 231,214,766.10 = 66,723,237.64 : x
  2. Step 2: Convert to fraction form
    154,076,411.08/231,214,766.10 = 66,723,237.64/x
  3. Step 3: Cross multiply
    154,076,411.08x = 231,214,766.10 × 66,723,237.64
  4. Step 4: Simplify right side
    154,076,411.08x = 15,427,397,784,367,316
  5. Step 5: Solve for x
    x = 15,427,397,784,367,316/154,076,411.08
  6. Step 6: Final answer
    x = 100,128,226.48

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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.