Home / 57,282,377.32-79,051,356.84-31,178,586.16

Finding the Fourth Proportional to 57,282,377.32, 79,051,356.84 and 31,178,586.16

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Solution

The fourth proportional to 57,282,377.32, 79,051,356.84 and 31,178,586.16 is: 43,027,361.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,282,377.32 : 79,051,356.84 = 31,178,586.16 : x
  2. Step 2: Convert to fraction form
    57,282,377.32/79,051,356.84 = 31,178,586.16/x
  3. Step 3: Cross multiply
    57,282,377.32x = 79,051,356.84 × 31,178,586.16
  4. Step 4: Simplify right side
    57,282,377.32x = 2,464,709,540,300,845.50
  5. Step 5: Solve for x
    x = 2,464,709,540,300,845.50/57,282,377.32
  6. Step 6: Final answer
    x = 43,027,361.22

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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.