Home / 43,183,160.16-64,792,736.96-18,939,487.60

Finding the Fourth Proportional to 43,183,160.16, 64,792,736.96 and 18,939,487.60

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Solution

The fourth proportional to 43,183,160.16, 64,792,736.96 and 18,939,487.60 is: 28,417,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,183,160.16 : 64,792,736.96 = 18,939,487.60 : x
  2. Step 2: Convert to fraction form
    43,183,160.16/64,792,736.96 = 18,939,487.60/x
  3. Step 3: Cross multiply
    43,183,160.16x = 64,792,736.96 × 18,939,487.60
  4. Step 4: Simplify right side
    43,183,160.16x = 1,227,141,238,223,981.75
  5. Step 5: Solve for x
    x = 1,227,141,238,223,981.75/43,183,160.16
  6. Step 6: Final answer
    x = 28,417,124.49

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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.