Home / 52,015,539.60-71,731,912.08-31,104,166.62

Finding the Fourth Proportional to 52,015,539.60, 71,731,912.08 and 31,104,166.62

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Solution

The fourth proportional to 52,015,539.60, 71,731,912.08 and 31,104,166.62 is: 42,894,130.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,015,539.60 : 71,731,912.08 = 31,104,166.62 : x
  2. Step 2: Convert to fraction form
    52,015,539.60/71,731,912.08 = 31,104,166.62/x
  3. Step 3: Cross multiply
    52,015,539.60x = 71,731,912.08 × 31,104,166.62
  4. Step 4: Simplify right side
    52,015,539.60x = 2,231,161,345,307,510.75
  5. Step 5: Solve for x
    x = 2,231,161,345,307,510.75/52,015,539.60
  6. Step 6: Final answer
    x = 42,894,130.53

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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.