Home / 120,772,308,499.92-166,666,289,138.09-66,577,666,559.95

Finding the Fourth Proportional to 120,772,308,499.92, 166,666,289,138.09 and 66,577,666,559.95

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Solution

The fourth proportional to 120,772,308,499.92, 166,666,289,138.09 and 66,577,666,559.95 is: 91,877,457,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,772,308,499.92 : 166,666,289,138.09 = 66,577,666,559.95 : x
  2. Step 2: Convert to fraction form
    120,772,308,499.92/166,666,289,138.09 = 66,577,666,559.95/x
  3. Step 3: Cross multiply
    120,772,308,499.92x = 166,666,289,138.09 × 66,577,666,559.95
  4. Step 4: Simplify right side
    120,772,308,499.92x = 11,096,252,625,019,138,473,984
  5. Step 5: Solve for x
    x = 11,096,252,625,019,138,473,984/120,772,308,499.92
  6. Step 6: Final answer
    x = 91,877,457,364.55

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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.