Home / 391,520,281.04-540,145,069.64-224,167,102.32

Finding the Fourth Proportional to 391,520,281.04, 540,145,069.64 and 224,167,102.32

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Solution

The fourth proportional to 391,520,281.04, 540,145,069.64 and 224,167,102.32 is: 309,263,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,520,281.04 : 540,145,069.64 = 224,167,102.32 : x
  2. Step 2: Convert to fraction form
    391,520,281.04/540,145,069.64 = 224,167,102.32/x
  3. Step 3: Cross multiply
    391,520,281.04x = 540,145,069.64 × 224,167,102.32
  4. Step 4: Simplify right side
    391,520,281.04x = 121,082,755,093,633,392
  5. Step 5: Solve for x
    x = 121,082,755,093,633,392/391,520,281.04
  6. Step 6: Final answer
    x = 309,263,047.04

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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.