Home / 347,601,396.51-521,321,267.28-129,354,521.04

Finding the Fourth Proportional to 347,601,396.51, 521,321,267.28 and 129,354,521.04

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Solution

The fourth proportional to 347,601,396.51, 521,321,267.28 and 129,354,521.04 is: 194,001,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,601,396.51 : 521,321,267.28 = 129,354,521.04 : x
  2. Step 2: Convert to fraction form
    347,601,396.51/521,321,267.28 = 129,354,521.04/x
  3. Step 3: Cross multiply
    347,601,396.51x = 521,321,267.28 × 129,354,521.04
  4. Step 4: Simplify right side
    347,601,396.51x = 67,435,262,836,970,224
  5. Step 5: Solve for x
    x = 67,435,262,836,970,224/347,601,396.51
  6. Step 6: Final answer
    x = 194,001,702.85

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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.