Home / 74,434,626.81-111,657,272.99-19,846,926.32

Finding the Fourth Proportional to 74,434,626.81, 111,657,272.99 and 19,846,926.32

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Solution

The fourth proportional to 74,434,626.81, 111,657,272.99 and 19,846,926.32 is: 29,771,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,434,626.81 : 111,657,272.99 = 19,846,926.32 : x
  2. Step 2: Convert to fraction form
    74,434,626.81/111,657,272.99 = 19,846,926.32/x
  3. Step 3: Cross multiply
    74,434,626.81x = 111,657,272.99 × 19,846,926.32
  4. Step 4: Simplify right side
    74,434,626.81x = 2,216,053,669,467,135.25
  5. Step 5: Solve for x
    x = 2,216,053,669,467,135.25/74,434,626.81
  6. Step 6: Final answer
    x = 29,771,811.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.