Home / 78,515,404.13-117,718,567.37-34,772,325.93

Finding the Fourth Proportional to 78,515,404.13, 117,718,567.37 and 34,772,325.93

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Solution

The fourth proportional to 78,515,404.13, 117,718,567.37 and 34,772,325.93 is: 52,134,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,515,404.13 : 117,718,567.37 = 34,772,325.93 : x
  2. Step 2: Convert to fraction form
    78,515,404.13/117,718,567.37 = 34,772,325.93/x
  3. Step 3: Cross multiply
    78,515,404.13x = 117,718,567.37 × 34,772,325.93
  4. Step 4: Simplify right side
    78,515,404.13x = 4,093,348,392,428,441
  5. Step 5: Solve for x
    x = 4,093,348,392,428,441/78,515,404.13
  6. Step 6: Final answer
    x = 52,134,335.14

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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.