Home / 109,702,858.21-151,389,907.90-60,142,167.83

Finding the Fourth Proportional to 109,702,858.21, 151,389,907.90 and 60,142,167.83

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Solution

The fourth proportional to 109,702,858.21, 151,389,907.90 and 60,142,167.83 is: 82,996,171.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,702,858.21 : 151,389,907.90 = 60,142,167.83 : x
  2. Step 2: Convert to fraction form
    109,702,858.21/151,389,907.90 = 60,142,167.83/x
  3. Step 3: Cross multiply
    109,702,858.21x = 151,389,907.90 × 60,142,167.83
  4. Step 4: Simplify right side
    109,702,858.21x = 9,104,917,248,066,594
  5. Step 5: Solve for x
    x = 9,104,917,248,066,594/109,702,858.21
  6. Step 6: Final answer
    x = 82,996,171.63

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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.