Home / 83,880,963.98-115,696,101.84-55,989,611.64

Finding the Fourth Proportional to 83,880,963.98, 115,696,101.84 and 55,989,611.64

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Solution

The fourth proportional to 83,880,963.98, 115,696,101.84 and 55,989,611.64 is: 77,225,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,880,963.98 : 115,696,101.84 = 55,989,611.64 : x
  2. Step 2: Convert to fraction form
    83,880,963.98/115,696,101.84 = 55,989,611.64/x
  3. Step 3: Cross multiply
    83,880,963.98x = 115,696,101.84 × 55,989,611.64
  4. Step 4: Simplify right side
    83,880,963.98x = 6,477,779,810,283,490
  5. Step 5: Solve for x
    x = 6,477,779,810,283,490/83,880,963.98
  6. Step 6: Final answer
    x = 77,225,862.73

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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.