Home / 66,871,977.30-92,293,415.76-40,781,629.80

Finding the Fourth Proportional to 66,871,977.30, 92,293,415.76 and 40,781,629.80

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Solution

The fourth proportional to 66,871,977.30, 92,293,415.76 and 40,781,629.80 is: 56,284,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,871,977.30 : 92,293,415.76 = 40,781,629.80 : x
  2. Step 2: Convert to fraction form
    66,871,977.30/92,293,415.76 = 40,781,629.80/x
  3. Step 3: Cross multiply
    66,871,977.30x = 92,293,415.76 × 40,781,629.80
  4. Step 4: Simplify right side
    66,871,977.30x = 3,763,875,914,501,805.50
  5. Step 5: Solve for x
    x = 3,763,875,914,501,805.50/66,871,977.30
  6. Step 6: Final answer
    x = 56,284,800.70

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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.