Home / 113,374,321,011.28-156,461,316,181.32-65,202,401,857.60

Finding the Fourth Proportional to 113,374,321,011.28, 156,461,316,181.32 and 65,202,401,857.60

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Solution

The fourth proportional to 113,374,321,011.28, 156,461,316,181.32 and 65,202,401,857.60 is: 89,982,048,155.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,374,321,011.28 : 156,461,316,181.32 = 65,202,401,857.60 : x
  2. Step 2: Convert to fraction form
    113,374,321,011.28/156,461,316,181.32 = 65,202,401,857.60/x
  3. Step 3: Cross multiply
    113,374,321,011.28x = 156,461,316,181.32 × 65,202,401,857.60
  4. Step 4: Simplify right side
    113,374,321,011.28x = 10,201,653,612,823,441,309,696
  5. Step 5: Solve for x
    x = 10,201,653,612,823,441,309,696/113,374,321,011.28
  6. Step 6: Final answer
    x = 89,982,048,155.41

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1.5x scale

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.