Home / 78,795,262.54-118,098,860.36-36,673,274.12

Finding the Fourth Proportional to 78,795,262.54, 118,098,860.36 and 36,673,274.12

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Solution

The fourth proportional to 78,795,262.54, 118,098,860.36 and 36,673,274.12 is: 54,966,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,795,262.54 : 118,098,860.36 = 36,673,274.12 : x
  2. Step 2: Convert to fraction form
    78,795,262.54/118,098,860.36 = 36,673,274.12/x
  3. Step 3: Cross multiply
    78,795,262.54x = 118,098,860.36 × 36,673,274.12
  4. Step 4: Simplify right side
    78,795,262.54x = 4,331,071,879,241,881.50
  5. Step 5: Solve for x
    x = 4,331,071,879,241,881.50/78,795,262.54
  6. Step 6: Final answer
    x = 54,966,145.68

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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.