Home / 104,871,691,669.20-157,307,537,503.80-72,913,805,998.80

Finding the Fourth Proportional to 104,871,691,669.20, 157,307,537,503.80 and 72,913,805,998.80

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Solution

The fourth proportional to 104,871,691,669.20, 157,307,537,503.80 and 72,913,805,998.80 is: 109,370,708,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,871,691,669.20 : 157,307,537,503.80 = 72,913,805,998.80 : x
  2. Step 2: Convert to fraction form
    104,871,691,669.20/157,307,537,503.80 = 72,913,805,998.80/x
  3. Step 3: Cross multiply
    104,871,691,669.20x = 157,307,537,503.80 × 72,913,805,998.80
  4. Step 4: Simplify right side
    104,871,691,669.20x = 11,469,891,271,701,028,667,392
  5. Step 5: Solve for x
    x = 11,469,891,271,701,028,667,392/104,871,691,669.20
  6. Step 6: Final answer
    x = 109,370,708,998.20

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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.