Home / 83,881,334.36-115,696,613.16-55,989,982.16

Finding the Fourth Proportional to 83,881,334.36, 115,696,613.16 and 55,989,982.16

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Solution

The fourth proportional to 83,881,334.36, 115,696,613.16 and 55,989,982.16 is: 77,226,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,881,334.36 : 115,696,613.16 = 55,989,982.16 : x
  2. Step 2: Convert to fraction form
    83,881,334.36/115,696,613.16 = 55,989,982.16/x
  3. Step 3: Cross multiply
    83,881,334.36x = 115,696,613.16 × 55,989,982.16
  4. Step 4: Simplify right side
    83,881,334.36x = 6,477,851,306,800,821
  5. Step 5: Solve for x
    x = 6,477,851,306,800,821/83,881,334.36
  6. Step 6: Final answer
    x = 77,226,374.09

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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.