Home / 91,906,689.84-126,829,586.52-50,091,131.76

Finding the Fourth Proportional to 91,906,689.84, 126,829,586.52 and 50,091,131.76

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Solution

The fourth proportional to 91,906,689.84, 126,829,586.52 and 50,091,131.76 is: 69,124,865.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,906,689.84 : 126,829,586.52 = 50,091,131.76 : x
  2. Step 2: Convert to fraction form
    91,906,689.84/126,829,586.52 = 50,091,131.76/x
  3. Step 3: Cross multiply
    91,906,689.84x = 126,829,586.52 × 50,091,131.76
  4. Step 4: Simplify right side
    91,906,689.84x = 6,353,037,529,439,639
  5. Step 5: Solve for x
    x = 6,353,037,529,439,639/91,906,689.84
  6. Step 6: Final answer
    x = 69,124,865.02

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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.