Home / 105,682,130.40-158,523,195.60-89,557,816.80

Finding the Fourth Proportional to 105,682,130.40, 158,523,195.60 and 89,557,816.80

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Solution

The fourth proportional to 105,682,130.40, 158,523,195.60 and 89,557,816.80 is: 134,336,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,682,130.40 : 158,523,195.60 = 89,557,816.80 : x
  2. Step 2: Convert to fraction form
    105,682,130.40/158,523,195.60 = 89,557,816.80/x
  3. Step 3: Cross multiply
    105,682,130.40x = 158,523,195.60 × 89,557,816.80
  4. Step 4: Simplify right side
    105,682,130.40x = 14,196,991,310,095,366
  5. Step 5: Solve for x
    x = 14,196,991,310,095,366/105,682,130.40
  6. Step 6: Final answer
    x = 134,336,725.20

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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.