Home / 55,772,928,002.60-83,659,392,003.90-20,871,851,215.40

Finding the Fourth Proportional to 55,772,928,002.60, 83,659,392,003.90 and 20,871,851,215.40

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Solution

The fourth proportional to 55,772,928,002.60, 83,659,392,003.90 and 20,871,851,215.40 is: 31,307,776,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,772,928,002.60 : 83,659,392,003.90 = 20,871,851,215.40 : x
  2. Step 2: Convert to fraction form
    55,772,928,002.60/83,659,392,003.90 = 20,871,851,215.40/x
  3. Step 3: Cross multiply
    55,772,928,002.60x = 83,659,392,003.90 × 20,871,851,215.40
  4. Step 4: Simplify right side
    55,772,928,002.60x = 1,746,126,382,676,225,294,336
  5. Step 5: Solve for x
    x = 1,746,126,382,676,225,294,336/55,772,928,002.60
  6. Step 6: Final answer
    x = 31,307,776,823.10

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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.