Home / 52,216,942.53-72,061,325.42-31,312,378.65

Finding the Fourth Proportional to 52,216,942.53, 72,061,325.42 and 31,312,378.65

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Solution

The fourth proportional to 52,216,942.53, 72,061,325.42 and 31,312,378.65 is: 43,212,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,216,942.53 : 72,061,325.42 = 31,312,378.65 : x
  2. Step 2: Convert to fraction form
    52,216,942.53/72,061,325.42 = 31,312,378.65/x
  3. Step 3: Cross multiply
    52,216,942.53x = 72,061,325.42 × 31,312,378.65
  4. Step 4: Simplify right side
    52,216,942.53x = 2,256,411,507,415,348.50
  5. Step 5: Solve for x
    x = 2,256,411,507,415,348.50/52,216,942.53
  6. Step 6: Final answer
    x = 43,212,248.71

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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.