Home / 161,325,540,313.60-222,648,767,729.11-91,818,080,920.95

Finding the Fourth Proportional to 161,325,540,313.60, 222,648,767,729.11 and 91,818,080,920.95

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Solution

The fourth proportional to 161,325,540,313.60, 222,648,767,729.11 and 91,818,080,920.95 is: 126,720,062,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,325,540,313.60 : 222,648,767,729.11 = 91,818,080,920.95 : x
  2. Step 2: Convert to fraction form
    161,325,540,313.60/222,648,767,729.11 = 91,818,080,920.95/x
  3. Step 3: Cross multiply
    161,325,540,313.60x = 222,648,767,729.11 × 91,818,080,920.95
  4. Step 4: Simplify right side
    161,325,540,313.60x = 20,443,182,572,301,222,674,432
  5. Step 5: Solve for x
    x = 20,443,182,572,301,222,674,432/161,325,540,313.60
  6. Step 6: Final answer
    x = 126,720,062,629.65

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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.