Home / 74,470,171.28-102,769,782.12-40,983,505.82

Finding the Fourth Proportional to 74,470,171.28, 102,769,782.12 and 40,983,505.82

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Solution

The fourth proportional to 74,470,171.28, 102,769,782.12 and 40,983,505.82 is: 56,557,758.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,470,171.28 : 102,769,782.12 = 40,983,505.82 : x
  2. Step 2: Convert to fraction form
    74,470,171.28/102,769,782.12 = 40,983,505.82/x
  3. Step 3: Cross multiply
    74,470,171.28x = 102,769,782.12 × 40,983,505.82
  4. Step 4: Simplify right side
    74,470,171.28x = 4,211,865,963,635,152
  5. Step 5: Solve for x
    x = 4,211,865,963,635,152/74,470,171.28
  6. Step 6: Final answer
    x = 56,557,758.51

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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.