Home / 185,851,489.32-256,464,525.78-103,343,502.60

Finding the Fourth Proportional to 185,851,489.32, 256,464,525.78 and 103,343,502.60

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Solution

The fourth proportional to 185,851,489.32, 256,464,525.78 and 103,343,502.60 is: 142,608,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,851,489.32 : 256,464,525.78 = 103,343,502.60 : x
  2. Step 2: Convert to fraction form
    185,851,489.32/256,464,525.78 = 103,343,502.60/x
  3. Step 3: Cross multiply
    185,851,489.32x = 256,464,525.78 × 103,343,502.60
  4. Step 4: Simplify right side
    185,851,489.32x = 26,503,942,386,753,196
  5. Step 5: Solve for x
    x = 26,503,942,386,753,196/185,851,489.32
  6. Step 6: Final answer
    x = 142,608,178.63

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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.