Home / 122,908,013.89-169,613,241.54-69,984,764.67

Finding the Fourth Proportional to 122,908,013.89, 169,613,241.54 and 69,984,764.67

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Solution

The fourth proportional to 122,908,013.89, 169,613,241.54 and 69,984,764.67 is: 96,579,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,908,013.89 : 169,613,241.54 = 69,984,764.67 : x
  2. Step 2: Convert to fraction form
    122,908,013.89/169,613,241.54 = 69,984,764.67/x
  3. Step 3: Cross multiply
    122,908,013.89x = 169,613,241.54 × 69,984,764.67
  4. Step 4: Simplify right side
    122,908,013.89x = 11,870,342,794,466,374
  5. Step 5: Solve for x
    x = 11,870,342,794,466,374/122,908,013.89
  6. Step 6: Final answer
    x = 96,579,079.09

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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.