Home / 55,772,928,002.10-83,659,392,003.15-20,871,851,214.90

Finding the Fourth Proportional to 55,772,928,002.10, 83,659,392,003.15 and 20,871,851,214.90

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Solution

The fourth proportional to 55,772,928,002.10, 83,659,392,003.15 and 20,871,851,214.90 is: 31,307,776,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,772,928,002.10 : 83,659,392,003.15 = 20,871,851,214.90 : x
  2. Step 2: Convert to fraction form
    55,772,928,002.10/83,659,392,003.15 = 20,871,851,214.90/x
  3. Step 3: Cross multiply
    55,772,928,002.10x = 83,659,392,003.15 × 20,871,851,214.90
  4. Step 4: Simplify right side
    55,772,928,002.10x = 1,746,126,382,618,741,571,584
  5. Step 5: Solve for x
    x = 1,746,126,382,618,741,571,584/55,772,928,002.10
  6. Step 6: Final answer
    x = 31,307,776,822.35

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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.