Home / 89,579,068.07-123,611,232.96-49,883,599.26

Finding the Fourth Proportional to 89,579,068.07, 123,611,232.96 and 49,883,599.26

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Solution

The fourth proportional to 89,579,068.07, 123,611,232.96 and 49,883,599.26 is: 68,834,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,579,068.07 : 123,611,232.96 = 49,883,599.26 : x
  2. Step 2: Convert to fraction form
    89,579,068.07/123,611,232.96 = 49,883,599.26/x
  3. Step 3: Cross multiply
    89,579,068.07x = 123,611,232.96 × 49,883,599.26
  4. Step 4: Simplify right side
    89,579,068.07x = 6,166,173,209,011,143
  5. Step 5: Solve for x
    x = 6,166,173,209,011,143/89,579,068.07
  6. Step 6: Final answer
    x = 68,834,978.32

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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.