Home / 124,717,968.20-187,076,952.30-78,801,465.80

Finding the Fourth Proportional to 124,717,968.20, 187,076,952.30 and 78,801,465.80

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Solution

The fourth proportional to 124,717,968.20, 187,076,952.30 and 78,801,465.80 is: 118,202,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,717,968.20 : 187,076,952.30 = 78,801,465.80 : x
  2. Step 2: Convert to fraction form
    124,717,968.20/187,076,952.30 = 78,801,465.80/x
  3. Step 3: Cross multiply
    124,717,968.20x = 187,076,952.30 × 78,801,465.80
  4. Step 4: Simplify right side
    124,717,968.20x = 14,741,938,058,636,682
  5. Step 5: Solve for x
    x = 14,741,938,058,636,682/124,717,968.20
  6. Step 6: Final answer
    x = 118,202,198.70

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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.