Home / 74,703,362.56-112,022,499.84-39,680,812.80

Finding the Fourth Proportional to 74,703,362.56, 112,022,499.84 and 39,680,812.80

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Solution

The fourth proportional to 74,703,362.56, 112,022,499.84 and 39,680,812.80 is: 59,503,932.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,703,362.56 : 112,022,499.84 = 39,680,812.80 : x
  2. Step 2: Convert to fraction form
    74,703,362.56/112,022,499.84 = 39,680,812.80/x
  3. Step 3: Cross multiply
    74,703,362.56x = 112,022,499.84 × 39,680,812.80
  4. Step 4: Simplify right side
    74,703,362.56x = 4,445,143,845,539,070
  5. Step 5: Solve for x
    x = 4,445,143,845,539,070/74,703,362.56
  6. Step 6: Final answer
    x = 59,503,932.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.