Home / 83,880,954.99-115,696,089.18-55,989,602.64

Finding the Fourth Proportional to 83,880,954.99, 115,696,089.18 and 55,989,602.64

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Solution

The fourth proportional to 83,880,954.99, 115,696,089.18 and 55,989,602.64 is: 77,225,850.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,880,954.99 : 115,696,089.18 = 55,989,602.64 : x
  2. Step 2: Convert to fraction form
    83,880,954.99/115,696,089.18 = 55,989,602.64/x
  3. Step 3: Cross multiply
    83,880,954.99x = 115,696,089.18 × 55,989,602.64
  4. Step 4: Simplify right side
    83,880,954.99x = 6,477,778,060,190,204
  5. Step 5: Solve for x
    x = 6,477,778,060,190,204/83,880,954.99
  6. Step 6: Final answer
    x = 77,225,850.15

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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.