Home / 84,436,307.36-116,462,035.40-77,489,418.05

Finding the Fourth Proportional to 84,436,307.36, 116,462,035.40 and 77,489,418.05

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Solution

The fourth proportional to 84,436,307.36, 116,462,035.40 and 77,489,418.05 is: 106,880,270.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,436,307.36 : 116,462,035.40 = 77,489,418.05 : x
  2. Step 2: Convert to fraction form
    84,436,307.36/116,462,035.40 = 77,489,418.05/x
  3. Step 3: Cross multiply
    84,436,307.36x = 116,462,035.40 × 77,489,418.05
  4. Step 4: Simplify right side
    84,436,307.36x = 9,024,575,347,094,742
  5. Step 5: Solve for x
    x = 9,024,575,347,094,742/84,436,307.36
  6. Step 6: Final answer
    x = 106,880,270.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.