Home / 43,702,988.40-65,501,994.60-18,130,834.80

Finding the Fourth Proportional to 43,702,988.40, 65,501,994.60 and 18,130,834.80

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Solution

The fourth proportional to 43,702,988.40, 65,501,994.60 and 18,130,834.80 is: 27,174,476.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,702,988.40 : 65,501,994.60 = 18,130,834.80 : x
  2. Step 2: Convert to fraction form
    43,702,988.40/65,501,994.60 = 18,130,834.80/x
  3. Step 3: Cross multiply
    43,702,988.40x = 65,501,994.60 × 18,130,834.80
  4. Step 4: Simplify right side
    43,702,988.40x = 1,187,605,843,163,092.25
  5. Step 5: Solve for x
    x = 1,187,605,843,163,092.25/43,702,988.40
  6. Step 6: Final answer
    x = 27,174,476.77

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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.