Home / 77,391,846.97-116,051,897.69-28,856,669.02

Finding the Fourth Proportional to 77,391,846.97, 116,051,897.69 and 28,856,669.02

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Solution

The fourth proportional to 77,391,846.97, 116,051,897.69 and 28,856,669.02 is: 43,271,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,391,846.97 : 116,051,897.69 = 28,856,669.02 : x
  2. Step 2: Convert to fraction form
    77,391,846.97/116,051,897.69 = 28,856,669.02/x
  3. Step 3: Cross multiply
    77,391,846.97x = 116,051,897.69 × 28,856,669.02
  4. Step 4: Simplify right side
    77,391,846.97x = 3,348,871,200,457,031.50
  5. Step 5: Solve for x
    x = 3,348,871,200,457,031.50/77,391,846.97
  6. Step 6: Final answer
    x = 43,271,627.85

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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.