Home / 251,838,587.90-347,533,718.59-140,334,128.41

Finding the Fourth Proportional to 251,838,587.90, 347,533,718.59 and 140,334,128.41

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Solution

The fourth proportional to 251,838,587.90, 347,533,718.59 and 140,334,128.41 is: 193,659,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,838,587.90 : 347,533,718.59 = 140,334,128.41 : x
  2. Step 2: Convert to fraction form
    251,838,587.90/347,533,718.59 = 140,334,128.41/x
  3. Step 3: Cross multiply
    251,838,587.90x = 347,533,718.59 × 140,334,128.41
  4. Step 4: Simplify right side
    251,838,587.90x = 48,770,841,491,413,856
  5. Step 5: Solve for x
    x = 48,770,841,491,413,856/251,838,587.90
  6. Step 6: Final answer
    x = 193,659,128.64

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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.