Home / 50,586,819.94-69,780,671.53-30,455,803.08

Finding the Fourth Proportional to 50,586,819.94, 69,780,671.53 and 30,455,803.08

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Solution

The fourth proportional to 50,586,819.94, 69,780,671.53 and 30,455,803.08 is: 42,011,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,586,819.94 : 69,780,671.53 = 30,455,803.08 : x
  2. Step 2: Convert to fraction form
    50,586,819.94/69,780,671.53 = 30,455,803.08/x
  3. Step 3: Cross multiply
    50,586,819.94x = 69,780,671.53 × 30,455,803.08
  4. Step 4: Simplify right side
    50,586,819.94x = 2,125,226,391,143,818.50
  5. Step 5: Solve for x
    x = 2,125,226,391,143,818.50/50,586,819.94
  6. Step 6: Final answer
    x = 42,011,464.52

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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.