Home / 84,220,600.40-126,330,900.60-51,483,834.80

Finding the Fourth Proportional to 84,220,600.40, 126,330,900.60 and 51,483,834.80

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Solution

The fourth proportional to 84,220,600.40, 126,330,900.60 and 51,483,834.80 is: 77,225,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,220,600.40 : 126,330,900.60 = 51,483,834.80 : x
  2. Step 2: Convert to fraction form
    84,220,600.40/126,330,900.60 = 51,483,834.80/x
  3. Step 3: Cross multiply
    84,220,600.40x = 126,330,900.60 × 51,483,834.80
  4. Step 4: Simplify right side
    84,220,600.40x = 6,503,999,216,625,620
  5. Step 5: Solve for x
    x = 6,503,999,216,625,620/84,220,600.40
  6. Step 6: Final answer
    x = 77,225,752.20

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1.5x scale

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.