Home / 93,055,847.14-128,418,019.37-51,243,800.64

Finding the Fourth Proportional to 93,055,847.14, 128,418,019.37 and 51,243,800.64

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Solution

The fourth proportional to 93,055,847.14, 128,418,019.37 and 51,243,800.64 is: 70,716,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,055,847.14 : 128,418,019.37 = 51,243,800.64 : x
  2. Step 2: Convert to fraction form
    93,055,847.14/128,418,019.37 = 51,243,800.64/x
  3. Step 3: Cross multiply
    93,055,847.14x = 128,418,019.37 × 51,243,800.64
  4. Step 4: Simplify right side
    93,055,847.14x = 6,580,627,383,179,939
  5. Step 5: Solve for x
    x = 6,580,627,383,179,939/93,055,847.14
  6. Step 6: Final answer
    x = 70,716,968.20

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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.