Home / 158,984,586.90-238,476,880.35-86,236,218.90

Finding the Fourth Proportional to 158,984,586.90, 238,476,880.35 and 86,236,218.90

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Solution

The fourth proportional to 158,984,586.90, 238,476,880.35 and 86,236,218.90 is: 129,354,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,984,586.90 : 238,476,880.35 = 86,236,218.90 : x
  2. Step 2: Convert to fraction form
    158,984,586.90/238,476,880.35 = 86,236,218.90/x
  3. Step 3: Cross multiply
    158,984,586.90x = 238,476,880.35 × 86,236,218.90
  4. Step 4: Simplify right side
    158,984,586.90x = 20,565,344,456,451,708
  5. Step 5: Solve for x
    x = 20,565,344,456,451,708/158,984,586.90
  6. Step 6: Final answer
    x = 129,354,328.35

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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.