Home / 45,139,798.84-62,311,990.26-30,475,327.72

Finding the Fourth Proportional to 45,139,798.84, 62,311,990.26 and 30,475,327.72

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Solution

The fourth proportional to 45,139,798.84, 62,311,990.26 and 30,475,327.72 is: 42,068,825.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,139,798.84 : 62,311,990.26 = 30,475,327.72 : x
  2. Step 2: Convert to fraction form
    45,139,798.84/62,311,990.26 = 30,475,327.72/x
  3. Step 3: Cross multiply
    45,139,798.84x = 62,311,990.26 × 30,475,327.72
  4. Step 4: Simplify right side
    45,139,798.84x = 1,898,978,324,058,947.75
  5. Step 5: Solve for x
    x = 1,898,978,324,058,947.75/45,139,798.84
  6. Step 6: Final answer
    x = 42,068,825.58

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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.