Home / 57,282,376.32-79,051,355.46-31,178,585.16

Finding the Fourth Proportional to 57,282,376.32, 79,051,355.46 and 31,178,585.16

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Solution

The fourth proportional to 57,282,376.32, 79,051,355.46 and 31,178,585.16 is: 43,027,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,282,376.32 : 79,051,355.46 = 31,178,585.16 : x
  2. Step 2: Convert to fraction form
    57,282,376.32/79,051,355.46 = 31,178,585.16/x
  3. Step 3: Cross multiply
    57,282,376.32x = 79,051,355.46 × 31,178,585.16
  4. Step 4: Simplify right side
    57,282,376.32x = 2,464,709,418,223,041
  5. Step 5: Solve for x
    x = 2,464,709,418,223,041/57,282,376.32
  6. Step 6: Final answer
    x = 43,027,359.84

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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.