Home / 78,507,084.52-117,811,014.90-38,095,523.56

Finding the Fourth Proportional to 78,507,084.52, 117,811,014.90 and 38,095,523.56

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Solution

The fourth proportional to 78,507,084.52, 117,811,014.90 and 38,095,523.56 is: 57,167,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,507,084.52 : 117,811,014.90 = 38,095,523.56 : x
  2. Step 2: Convert to fraction form
    78,507,084.52/117,811,014.90 = 38,095,523.56/x
  3. Step 3: Cross multiply
    78,507,084.52x = 117,811,014.90 × 38,095,523.56
  4. Step 4: Simplify right side
    78,507,084.52x = 4,488,072,293,750,461.50
  5. Step 5: Solve for x
    x = 4,488,072,293,750,461.50/78,507,084.52
  6. Step 6: Final answer
    x = 57,167,736.15

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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.