Home / 240,768,800.40-361,153,200.60-79,216,006.80

Finding the Fourth Proportional to 240,768,800.40, 361,153,200.60 and 79,216,006.80

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Solution

The fourth proportional to 240,768,800.40, 361,153,200.60 and 79,216,006.80 is: 118,824,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,768,800.40 : 361,153,200.60 = 79,216,006.80 : x
  2. Step 2: Convert to fraction form
    240,768,800.40/361,153,200.60 = 79,216,006.80/x
  3. Step 3: Cross multiply
    240,768,800.40x = 361,153,200.60 × 79,216,006.80
  4. Step 4: Simplify right side
    240,768,800.40x = 28,609,114,394,571,364
  5. Step 5: Solve for x
    x = 28,609,114,394,571,364/240,768,800.40
  6. Step 6: Final answer
    x = 118,824,010.20

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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.