Home / 260,321,915.08-359,243,257.32-142,849,211.20

Finding the Fourth Proportional to 260,321,915.08, 359,243,257.32 and 142,849,211.20

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Solution

The fourth proportional to 260,321,915.08, 359,243,257.32 and 142,849,211.20 is: 197,131,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,321,915.08 : 359,243,257.32 = 142,849,211.20 : x
  2. Step 2: Convert to fraction form
    260,321,915.08/359,243,257.32 = 142,849,211.20/x
  3. Step 3: Cross multiply
    260,321,915.08x = 359,243,257.32 × 142,849,211.20
  4. Step 4: Simplify right side
    260,321,915.08x = 51,317,615,937,080,624
  5. Step 5: Solve for x
    x = 51,317,615,937,080,624/260,321,915.08
  6. Step 6: Final answer
    x = 197,131,370.68

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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.