Home / 165,049,068.38-227,772,840.26-90,708,277.44

Finding the Fourth Proportional to 165,049,068.38, 227,772,840.26 and 90,708,277.44

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Solution

The fourth proportional to 165,049,068.38, 227,772,840.26 and 90,708,277.44 is: 125,180,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,049,068.38 : 227,772,840.26 = 90,708,277.44 : x
  2. Step 2: Convert to fraction form
    165,049,068.38/227,772,840.26 = 90,708,277.44/x
  3. Step 3: Cross multiply
    165,049,068.38x = 227,772,840.26 × 90,708,277.44
  4. Step 4: Simplify right side
    165,049,068.38x = 20,660,881,987,600,880
  5. Step 5: Solve for x
    x = 20,660,881,987,600,880/165,049,068.38
  6. Step 6: Final answer
    x = 125,180,239.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.