Home / 107,220,170.40-160,830,255.60-89,363,752.80

Finding the Fourth Proportional to 107,220,170.40, 160,830,255.60 and 89,363,752.80

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Solution

The fourth proportional to 107,220,170.40, 160,830,255.60 and 89,363,752.80 is: 134,045,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,220,170.40 : 160,830,255.60 = 89,363,752.80 : x
  2. Step 2: Convert to fraction form
    107,220,170.40/160,830,255.60 = 89,363,752.80/x
  3. Step 3: Cross multiply
    107,220,170.40x = 160,830,255.60 × 89,363,752.80
  4. Step 4: Simplify right side
    107,220,170.40x = 14,372,395,204,199,214
  5. Step 5: Solve for x
    x = 14,372,395,204,199,214/107,220,170.40
  6. Step 6: Final answer
    x = 134,045,629.20

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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.