Home / 20,140,301,894.40-30,210,452,841.60-6,871,150,146.15

Finding the Fourth Proportional to 20,140,301,894.40, 30,210,452,841.60 and 6,871,150,146.15

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Solution

The fourth proportional to 20,140,301,894.40, 30,210,452,841.60 and 6,871,150,146.15 is: 10,306,725,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140,301,894.40 : 30,210,452,841.60 = 6,871,150,146.15 : x
  2. Step 2: Convert to fraction form
    20,140,301,894.40/30,210,452,841.60 = 6,871,150,146.15/x
  3. Step 3: Cross multiply
    20,140,301,894.40x = 30,210,452,841.60 × 6,871,150,146.15
  4. Step 4: Simplify right side
    20,140,301,894.40x = 207,580,557,457,817,501,696
  5. Step 5: Solve for x
    x = 207,580,557,457,817,501,696/20,140,301,894.40
  6. Step 6: Final answer
    x = 10,306,725,219.23

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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.