Home / 78,732,209.70-118,098,314.55-27,595,775.70

Finding the Fourth Proportional to 78,732,209.70, 118,098,314.55 and 27,595,775.70

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Solution

The fourth proportional to 78,732,209.70, 118,098,314.55 and 27,595,775.70 is: 41,393,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,209.70 : 118,098,314.55 = 27,595,775.70 : x
  2. Step 2: Convert to fraction form
    78,732,209.70/118,098,314.55 = 27,595,775.70/x
  3. Step 3: Cross multiply
    78,732,209.70x = 118,098,314.55 × 27,595,775.70
  4. Step 4: Simplify right side
    78,732,209.70x = 3,259,014,598,869,846.50
  5. Step 5: Solve for x
    x = 3,259,014,598,869,846.50/78,732,209.70
  6. Step 6: Final answer
    x = 41,393,663.55

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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.