Home / 70,890,475,742.37-97,829,151,270.57-38,337,689,388.15

Finding the Fourth Proportional to 70,890,475,742.37, 97,829,151,270.57 and 38,337,689,388.15

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Solution

The fourth proportional to 70,890,475,742.37, 97,829,151,270.57 and 38,337,689,388.15 is: 52,906,170,754.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890,475,742.37 : 97,829,151,270.57 = 38,337,689,388.15 : x
  2. Step 2: Convert to fraction form
    70,890,475,742.37/97,829,151,270.57 = 38,337,689,388.15/x
  3. Step 3: Cross multiply
    70,890,475,742.37x = 97,829,151,270.57 × 38,337,689,388.15
  4. Step 4: Simplify right side
    70,890,475,742.37x = 3,750,543,614,517,452,996,608
  5. Step 5: Solve for x
    x = 3,750,543,614,517,452,996,608/70,890,475,742.37
  6. Step 6: Final answer
    x = 52,906,170,754.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.