Home / 20,140,301,902.40-30,210,452,853.60-6,871,150,154.15

Finding the Fourth Proportional to 20,140,301,902.40, 30,210,452,853.60 and 6,871,150,154.15

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Solution

The fourth proportional to 20,140,301,902.40, 30,210,452,853.60 and 6,871,150,154.15 is: 10,306,725,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140,301,902.40 : 30,210,452,853.60 = 6,871,150,154.15 : x
  2. Step 2: Convert to fraction form
    20,140,301,902.40/30,210,452,853.60 = 6,871,150,154.15/x
  3. Step 3: Cross multiply
    20,140,301,902.40x = 30,210,452,853.60 × 6,871,150,154.15
  4. Step 4: Simplify right side
    20,140,301,902.40x = 207,580,557,781,954,920,448
  5. Step 5: Solve for x
    x = 207,580,557,781,954,920,448/20,140,301,902.40
  6. Step 6: Final answer
    x = 10,306,725,231.23

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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.