Home / 83,881,319.36-115,696,592.42-55,989,967.10

Finding the Fourth Proportional to 83,881,319.36, 115,696,592.42 and 55,989,967.10

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Solution

The fourth proportional to 83,881,319.36, 115,696,592.42 and 55,989,967.10 is: 77,226,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,881,319.36 : 115,696,592.42 = 55,989,967.10 : x
  2. Step 2: Convert to fraction form
    83,881,319.36/115,696,592.42 = 55,989,967.10/x
  3. Step 3: Cross multiply
    83,881,319.36x = 115,696,592.42 × 55,989,967.10
  4. Step 4: Simplify right side
    83,881,319.36x = 6,477,848,403,177,910
  5. Step 5: Solve for x
    x = 6,477,848,403,177,910/83,881,319.36
  6. Step 6: Final answer
    x = 77,226,353.29

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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.