Home / 77,137,123.42-115,705,373.46-27,941,462.26

Finding the Fourth Proportional to 77,137,123.42, 115,705,373.46 and 27,941,462.26

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Solution

The fourth proportional to 77,137,123.42, 115,705,373.46 and 27,941,462.26 is: 41,912,080.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,137,123.42 : 115,705,373.46 = 27,941,462.26 : x
  2. Step 2: Convert to fraction form
    77,137,123.42/115,705,373.46 = 27,941,462.26/x
  3. Step 3: Cross multiply
    77,137,123.42x = 115,705,373.46 × 27,941,462.26
  4. Step 4: Simplify right side
    77,137,123.42x = 3,232,977,325,811,795.50
  5. Step 5: Solve for x
    x = 3,232,977,325,811,795.50/77,137,123.42
  6. Step 6: Final answer
    x = 41,912,080.49

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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.