Home / 64,942,342.82-89,586,455.73-40,154,606.18

Finding the Fourth Proportional to 64,942,342.82, 89,586,455.73 and 40,154,606.18

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Solution

The fourth proportional to 64,942,342.82, 89,586,455.73 and 40,154,606.18 is: 55,392,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,942,342.82 : 89,586,455.73 = 40,154,606.18 : x
  2. Step 2: Convert to fraction form
    64,942,342.82/89,586,455.73 = 40,154,606.18/x
  3. Step 3: Cross multiply
    64,942,342.82x = 89,586,455.73 × 40,154,606.18
  4. Step 4: Simplify right side
    64,942,342.82x = 3,597,308,848,900,154.50
  5. Step 5: Solve for x
    x = 3,597,308,848,900,154.50/64,942,342.82
  6. Step 6: Final answer
    x = 55,392,347.93

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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.