Home / 298,917,636.77-412,506,515.67-166,758,633.74

Finding the Fourth Proportional to 298,917,636.77, 412,506,515.67 and 166,758,633.74

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Solution

The fourth proportional to 298,917,636.77, 412,506,515.67 and 166,758,633.74 is: 230,127,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,917,636.77 : 412,506,515.67 = 166,758,633.74 : x
  2. Step 2: Convert to fraction form
    298,917,636.77/412,506,515.67 = 166,758,633.74/x
  3. Step 3: Cross multiply
    298,917,636.77x = 412,506,515.67 × 166,758,633.74
  4. Step 4: Simplify right side
    298,917,636.77x = 68,789,022,961,925,936
  5. Step 5: Solve for x
    x = 68,789,022,961,925,936/298,917,636.77
  6. Step 6: Final answer
    x = 230,127,013.26

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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.