Home / 78,515,404.48-117,718,567.88-34,772,326.27

Finding the Fourth Proportional to 78,515,404.48, 117,718,567.88 and 34,772,326.27

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Solution

The fourth proportional to 78,515,404.48, 117,718,567.88 and 34,772,326.27 is: 52,134,335.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,515,404.48 : 117,718,567.88 = 34,772,326.27 : x
  2. Step 2: Convert to fraction form
    78,515,404.48/117,718,567.88 = 34,772,326.27/x
  3. Step 3: Cross multiply
    78,515,404.48x = 117,718,567.88 × 34,772,326.27
  4. Step 4: Simplify right side
    78,515,404.48x = 4,093,348,450,360,502.50
  5. Step 5: Solve for x
    x = 4,093,348,450,360,502.50/78,515,404.48
  6. Step 6: Final answer
    x = 52,134,335.64

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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.