Home / 49,627,969.40-74,441,981.10-15,551,982.20

Finding the Fourth Proportional to 49,627,969.40, 74,441,981.10 and 15,551,982.20

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Solution

The fourth proportional to 49,627,969.40, 74,441,981.10 and 15,551,982.20 is: 23,327,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,627,969.40 : 74,441,981.10 = 15,551,982.20 : x
  2. Step 2: Convert to fraction form
    49,627,969.40/74,441,981.10 = 15,551,982.20/x
  3. Step 3: Cross multiply
    49,627,969.40x = 74,441,981.10 × 15,551,982.20
  4. Step 4: Simplify right side
    49,627,969.40x = 1,157,720,364,999,936.25
  5. Step 5: Solve for x
    x = 1,157,720,364,999,936.25/49,627,969.40
  6. Step 6: Final answer
    x = 23,327,981.76

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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.