Home / 120,772,308,418.80-166,666,289,026.14-66,577,666,478.82

Finding the Fourth Proportional to 120,772,308,418.80, 166,666,289,026.14 and 66,577,666,478.82

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Solution

The fourth proportional to 120,772,308,418.80, 166,666,289,026.14 and 66,577,666,478.82 is: 91,877,457,252.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,772,308,418.80 : 166,666,289,026.14 = 66,577,666,478.82 : x
  2. Step 2: Convert to fraction form
    120,772,308,418.80/166,666,289,026.14 = 66,577,666,478.82/x
  3. Step 3: Cross multiply
    120,772,308,418.80x = 166,666,289,026.14 × 66,577,666,478.82
  4. Step 4: Simplify right side
    120,772,308,418.80x = 11,096,252,604,044,967,673,856
  5. Step 5: Solve for x
    x = 11,096,252,604,044,967,673,856/120,772,308,418.80
  6. Step 6: Final answer
    x = 91,877,457,252.59

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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.