Home / 66,470,128.98-91,777,366.62-42,962,574.26

Finding the Fourth Proportional to 66,470,128.98, 91,777,366.62 and 42,962,574.26

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Solution

The fourth proportional to 66,470,128.98, 91,777,366.62 and 42,962,574.26 is: 59,319,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,470,128.98 : 91,777,366.62 = 42,962,574.26 : x
  2. Step 2: Convert to fraction form
    66,470,128.98/91,777,366.62 = 42,962,574.26/x
  3. Step 3: Cross multiply
    66,470,128.98x = 91,777,366.62 × 42,962,574.26
  4. Step 4: Simplify right side
    66,470,128.98x = 3,942,991,928,340,109
  5. Step 5: Solve for x
    x = 3,942,991,928,340,109/66,470,128.98
  6. Step 6: Final answer
    x = 59,319,757.44

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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.