Home / 53,871,403.07-80,807,105.29-12,930,842.11

Finding the Fourth Proportional to 53,871,403.07, 80,807,105.29 and 12,930,842.11

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Solution

The fourth proportional to 53,871,403.07, 80,807,105.29 and 12,930,842.11 is: 19,396,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871,403.07 : 80,807,105.29 = 12,930,842.11 : x
  2. Step 2: Convert to fraction form
    53,871,403.07/80,807,105.29 = 12,930,842.11/x
  3. Step 3: Cross multiply
    53,871,403.07x = 80,807,105.29 × 12,930,842.11
  4. Step 4: Simplify right side
    53,871,403.07x = 1,044,903,919,871,135.75
  5. Step 5: Solve for x
    x = 1,044,903,919,871,135.75/53,871,403.07
  6. Step 6: Final answer
    x = 19,396,263.33

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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.