Home / 78,242,463.53-117,359,907.68-29,716,530.23

Finding the Fourth Proportional to 78,242,463.53, 117,359,907.68 and 29,716,530.23

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Solution

The fourth proportional to 78,242,463.53, 117,359,907.68 and 29,716,530.23 is: 44,573,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,242,463.53 : 117,359,907.68 = 29,716,530.23 : x
  2. Step 2: Convert to fraction form
    78,242,463.53/117,359,907.68 = 29,716,530.23/x
  3. Step 3: Cross multiply
    78,242,463.53x = 117,359,907.68 × 29,716,530.23
  4. Step 4: Simplify right side
    78,242,463.53x = 3,487,529,244,362,729.50
  5. Step 5: Solve for x
    x = 3,487,529,244,362,729.50/78,242,463.53
  6. Step 6: Final answer
    x = 44,573,356.81

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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.