Home / 121,673,244,999.30-167,886,876,521.79-70,213,031,418.84

Finding the Fourth Proportional to 121,673,244,999.30, 167,886,876,521.79 and 70,213,031,418.84

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Solution

The fourth proportional to 121,673,244,999.30, 167,886,876,521.79 and 70,213,031,418.84 is: 96,881,171,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,673,244,999.30 : 167,886,876,521.79 = 70,213,031,418.84 : x
  2. Step 2: Convert to fraction form
    121,673,244,999.30/167,886,876,521.79 = 70,213,031,418.84/x
  3. Step 3: Cross multiply
    121,673,244,999.30x = 167,886,876,521.79 × 70,213,031,418.84
  4. Step 4: Simplify right side
    121,673,244,999.30x = 11,787,846,536,035,353,755,648
  5. Step 5: Solve for x
    x = 11,787,846,536,035,353,755,648/121,673,244,999.30
  6. Step 6: Final answer
    x = 96,881,171,666.81

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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.