Home / 291,165,013.61-436,964,433.33-213,642,241.90

Finding the Fourth Proportional to 291,165,013.61, 436,964,433.33 and 213,642,241.90

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Solution

The fourth proportional to 291,165,013.61, 436,964,433.33 and 213,642,241.90 is: 320,622,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,165,013.61 : 436,964,433.33 = 213,642,241.90 : x
  2. Step 2: Convert to fraction form
    291,165,013.61/436,964,433.33 = 213,642,241.90/x
  3. Step 3: Cross multiply
    291,165,013.61x = 436,964,433.33 × 213,642,241.90
  4. Step 4: Simplify right side
    291,165,013.61x = 93,354,061,168,116,528
  5. Step 5: Solve for x
    x = 93,354,061,168,116,528/291,165,013.61
  6. Step 6: Final answer
    x = 320,622,522.64

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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.