Home / 112,268,880.60-168,403,320.90-54,798,019.80

Finding the Fourth Proportional to 112,268,880.60, 168,403,320.90 and 54,798,019.80

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Solution

The fourth proportional to 112,268,880.60, 168,403,320.90 and 54,798,019.80 is: 82,197,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,268,880.60 : 168,403,320.90 = 54,798,019.80 : x
  2. Step 2: Convert to fraction form
    112,268,880.60/168,403,320.90 = 54,798,019.80/x
  3. Step 3: Cross multiply
    112,268,880.60x = 168,403,320.90 × 54,798,019.80
  4. Step 4: Simplify right side
    112,268,880.60x = 9,228,168,513,063,954
  5. Step 5: Solve for x
    x = 9,228,168,513,063,954/112,268,880.60
  6. Step 6: Final answer
    x = 82,197,029.70

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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.