Home / 64,622,072.38-89,166,263.30-38,519,019.06

Finding the Fourth Proportional to 64,622,072.38, 89,166,263.30 and 38,519,019.06

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Solution

The fourth proportional to 64,622,072.38, 89,166,263.30 and 38,519,019.06 is: 53,148,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,622,072.38 : 89,166,263.30 = 38,519,019.06 : x
  2. Step 2: Convert to fraction form
    64,622,072.38/89,166,263.30 = 38,519,019.06/x
  3. Step 3: Cross multiply
    64,622,072.38x = 89,166,263.30 × 38,519,019.06
  4. Step 4: Simplify right side
    64,622,072.38x = 3,434,596,995,561,678.50
  5. Step 5: Solve for x
    x = 3,434,596,995,561,678.50/64,622,072.38
  6. Step 6: Final answer
    x = 53,148,976.34

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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.