Home / 64,941,494.64-89,619,921.24-39,182,406

Finding the Fourth Proportional to 64,941,494.64, 89,619,921.24 and 39,182,406

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Solution

The fourth proportional to 64,941,494.64, 89,619,921.24 and 39,182,406 is: 54,072,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,941,494.64 : 89,619,921.24 = 39,182,406 : x
  2. Step 2: Convert to fraction form
    64,941,494.64/89,619,921.24 = 39,182,406/x
  3. Step 3: Cross multiply
    64,941,494.64x = 89,619,921.24 × 39,182,406
  4. Step 4: Simplify right side
    64,941,494.64x = 3,511,524,139,713,703
  5. Step 5: Solve for x
    x = 3,511,524,139,713,703/64,941,494.64
  6. Step 6: Final answer
    x = 54,072,117.67

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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.