Home / 212,679,304.48-318,891,410.88-97,519,582.72

Finding the Fourth Proportional to 212,679,304.48, 318,891,410.88 and 97,519,582.72

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Solution

The fourth proportional to 212,679,304.48, 318,891,410.88 and 97,519,582.72 is: 146,220,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,679,304.48 : 318,891,410.88 = 97,519,582.72 : x
  2. Step 2: Convert to fraction form
    212,679,304.48/318,891,410.88 = 97,519,582.72/x
  3. Step 3: Cross multiply
    212,679,304.48x = 318,891,410.88 × 97,519,582.72
  4. Step 4: Simplify right side
    212,679,304.48x = 31,098,157,322,009,668
  5. Step 5: Solve for x
    x = 31,098,157,322,009,668/212,679,304.48
  6. Step 6: Final answer
    x = 146,220,890.64

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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.