Home / 77,905,428.36-116,890,333.44-34,163,553.01

Finding the Fourth Proportional to 77,905,428.36, 116,890,333.44 and 34,163,553.01

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Solution

The fourth proportional to 77,905,428.36, 116,890,333.44 and 34,163,553.01 is: 51,259,446.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,905,428.36 : 116,890,333.44 = 34,163,553.01 : x
  2. Step 2: Convert to fraction form
    77,905,428.36/116,890,333.44 = 34,163,553.01/x
  3. Step 3: Cross multiply
    77,905,428.36x = 116,890,333.44 × 34,163,553.01
  4. Step 4: Simplify right side
    77,905,428.36x = 3,993,389,102,632,845.50
  5. Step 5: Solve for x
    x = 3,993,389,102,632,845.50/77,905,428.36
  6. Step 6: Final answer
    x = 51,259,446.06

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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.