Home / 215,819,448.39-323,605,253.34-84,507,980.54

Finding the Fourth Proportional to 215,819,448.39, 323,605,253.34 and 84,507,980.54

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Solution

The fourth proportional to 215,819,448.39, 323,605,253.34 and 84,507,980.54 is: 126,713,448.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,819,448.39 : 323,605,253.34 = 84,507,980.54 : x
  2. Step 2: Convert to fraction form
    215,819,448.39/323,605,253.34 = 84,507,980.54/x
  3. Step 3: Cross multiply
    215,819,448.39x = 323,605,253.34 × 84,507,980.54
  4. Step 4: Simplify right side
    215,819,448.39x = 27,347,226,450,280,460
  5. Step 5: Solve for x
    x = 27,347,226,450,280,460/215,819,448.39
  6. Step 6: Final answer
    x = 126,713,448.00

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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.