Home / 74,484,367.88-102,773,022.74-43,538,551.16

Finding the Fourth Proportional to 74,484,367.88, 102,773,022.74 and 43,538,551.16

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Solution

The fourth proportional to 74,484,367.88, 102,773,022.74 and 43,538,551.16 is: 60,074,195.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,484,367.88 : 102,773,022.74 = 43,538,551.16 : x
  2. Step 2: Convert to fraction form
    74,484,367.88/102,773,022.74 = 43,538,551.16/x
  3. Step 3: Cross multiply
    74,484,367.88x = 102,773,022.74 × 43,538,551.16
  4. Step 4: Simplify right side
    74,484,367.88x = 4,474,588,508,433,333
  5. Step 5: Solve for x
    x = 4,474,588,508,433,333/74,484,367.88
  6. Step 6: Final answer
    x = 60,074,195.91

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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.