Home / 391,520,280.04-540,145,068.26-224,167,101.32

Finding the Fourth Proportional to 391,520,280.04, 540,145,068.26 and 224,167,101.32

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Solution

The fourth proportional to 391,520,280.04, 540,145,068.26 and 224,167,101.32 is: 309,263,045.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,520,280.04 : 540,145,068.26 = 224,167,101.32 : x
  2. Step 2: Convert to fraction form
    391,520,280.04/540,145,068.26 = 224,167,101.32/x
  3. Step 3: Cross multiply
    391,520,280.04x = 540,145,068.26 × 224,167,101.32
  4. Step 4: Simplify right side
    391,520,280.04x = 121,082,754,244,137,728
  5. Step 5: Solve for x
    x = 121,082,754,244,137,728/391,520,280.04
  6. Step 6: Final answer
    x = 309,263,045.66

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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.