Home / 45,199,235.64-62,388,606.06-30,720,945.72

Finding the Fourth Proportional to 45,199,235.64, 62,388,606.06 and 30,720,945.72

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Solution

The fourth proportional to 45,199,235.64, 62,388,606.06 and 30,720,945.72 is: 42,404,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,199,235.64 : 62,388,606.06 = 30,720,945.72 : x
  2. Step 2: Convert to fraction form
    45,199,235.64/62,388,606.06 = 30,720,945.72/x
  3. Step 3: Cross multiply
    45,199,235.64x = 62,388,606.06 × 30,720,945.72
  4. Step 4: Simplify right side
    45,199,235.64x = 1,916,636,980,315,723
  5. Step 5: Solve for x
    x = 1,916,636,980,315,723/45,199,235.64
  6. Step 6: Final answer
    x = 42,404,190.10

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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.