Home / 108,036,209.87-149,089,976.90-59,143,637.87

Finding the Fourth Proportional to 108,036,209.87, 149,089,976.90 and 59,143,637.87

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Solution

The fourth proportional to 108,036,209.87, 149,089,976.90 and 59,143,637.87 is: 81,618,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,036,209.87 : 149,089,976.90 = 59,143,637.87 : x
  2. Step 2: Convert to fraction form
    108,036,209.87/149,089,976.90 = 59,143,637.87/x
  3. Step 3: Cross multiply
    108,036,209.87x = 149,089,976.90 × 59,143,637.87
  4. Step 4: Simplify right side
    108,036,209.87x = 8,817,723,603,820,265
  5. Step 5: Solve for x
    x = 8,817,723,603,820,265/108,036,209.87
  6. Step 6: Final answer
    x = 81,618,224.25

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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.