Home / 53,871,353.54-80,807,031.36-12,930,792.68

Finding the Fourth Proportional to 53,871,353.54, 80,807,031.36 and 12,930,792.68

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Solution

The fourth proportional to 53,871,353.54, 80,807,031.36 and 12,930,792.68 is: 19,396,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871,353.54 : 80,807,031.36 = 12,930,792.68 : x
  2. Step 2: Convert to fraction form
    53,871,353.54/80,807,031.36 = 12,930,792.68/x
  3. Step 3: Cross multiply
    53,871,353.54x = 80,807,031.36 × 12,930,792.68
  4. Step 4: Simplify right side
    53,871,353.54x = 1,044,898,969,602,418.38
  5. Step 5: Solve for x
    x = 1,044,898,969,602,418.38/53,871,353.54
  6. Step 6: Final answer
    x = 19,396,189.27

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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.