Home / 64,611,121.37-89,196,253.53-49,893,748.61

Finding the Fourth Proportional to 64,611,121.37, 89,196,253.53 and 49,893,748.61

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Solution

The fourth proportional to 64,611,121.37, 89,196,253.53 and 49,893,748.61 is: 68,878,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,611,121.37 : 89,196,253.53 = 49,893,748.61 : x
  2. Step 2: Convert to fraction form
    64,611,121.37/89,196,253.53 = 49,893,748.61/x
  3. Step 3: Cross multiply
    64,611,121.37x = 89,196,253.53 × 49,893,748.61
  4. Step 4: Simplify right side
    64,611,121.37x = 4,450,335,450,579,645
  5. Step 5: Solve for x
    x = 4,450,335,450,579,645/64,611,121.37
  6. Step 6: Final answer
    x = 68,878,783.66

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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.