Home / 84,220,613.40-126,330,920.10-51,483,847.80

Finding the Fourth Proportional to 84,220,613.40, 126,330,920.10 and 51,483,847.80

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Solution

The fourth proportional to 84,220,613.40, 126,330,920.10 and 51,483,847.80 is: 77,225,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,220,613.40 : 126,330,920.10 = 51,483,847.80 : x
  2. Step 2: Convert to fraction form
    84,220,613.40/126,330,920.10 = 51,483,847.80/x
  3. Step 3: Cross multiply
    84,220,613.40x = 126,330,920.10 × 51,483,847.80
  4. Step 4: Simplify right side
    84,220,613.40x = 6,504,001,862,862,360
  5. Step 5: Solve for x
    x = 6,504,001,862,862,360/84,220,613.40
  6. Step 6: Final answer
    x = 77,225,771.70

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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.