Home / 108,036,207.87-149,089,974.14-59,143,635.87

Finding the Fourth Proportional to 108,036,207.87, 149,089,974.14 and 59,143,635.87

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Solution

The fourth proportional to 108,036,207.87, 149,089,974.14 and 59,143,635.87 is: 81,618,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,036,207.87 : 149,089,974.14 = 59,143,635.87 : x
  2. Step 2: Convert to fraction form
    108,036,207.87/149,089,974.14 = 59,143,635.87/x
  3. Step 3: Cross multiply
    108,036,207.87x = 149,089,974.14 × 59,143,635.87
  4. Step 4: Simplify right side
    108,036,207.87x = 8,817,723,142,403,875
  5. Step 5: Solve for x
    x = 8,817,723,142,403,875/108,036,207.87
  6. Step 6: Final answer
    x = 81,618,221.49

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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.