Home / 122,008,587.69-168,371,239.11-66,253,510.06

Finding the Fourth Proportional to 122,008,587.69, 168,371,239.11 and 66,253,510.06

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Solution

The fourth proportional to 122,008,587.69, 168,371,239.11 and 66,253,510.06 is: 91,429,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,008,587.69 : 168,371,239.11 = 66,253,510.06 : x
  2. Step 2: Convert to fraction form
    122,008,587.69/168,371,239.11 = 66,253,510.06/x
  3. Step 3: Cross multiply
    122,008,587.69x = 168,371,239.11 × 66,253,510.06
  4. Step 4: Simplify right side
    122,008,587.69x = 11,155,185,583,561,702
  5. Step 5: Solve for x
    x = 11,155,185,583,561,702/122,008,587.69
  6. Step 6: Final answer
    x = 91,429,511.60

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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.