Home / 120,663,988,506.45-166,536,567,026.51-69,946,656,489.81

Finding the Fourth Proportional to 120,663,988,506.45, 166,536,567,026.51 and 69,946,656,489.81

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Solution

The fourth proportional to 120,663,988,506.45, 166,536,567,026.51 and 69,946,656,489.81 is: 96,538,131,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,663,988,506.45 : 166,536,567,026.51 = 69,946,656,489.81 : x
  2. Step 2: Convert to fraction form
    120,663,988,506.45/166,536,567,026.51 = 69,946,656,489.81/x
  3. Step 3: Cross multiply
    120,663,988,506.45x = 166,536,567,026.51 × 69,946,656,489.81
  4. Step 4: Simplify right side
    120,663,988,506.45x = 11,648,676,046,795,513,528,320
  5. Step 5: Solve for x
    x = 11,648,676,046,795,513,528,320/120,663,988,506.45
  6. Step 6: Final answer
    x = 96,538,131,972.76

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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.