Home / 107,852,588.34-161,522,083.80-68,870,293.38

Finding the Fourth Proportional to 107,852,588.34, 161,522,083.80 and 68,870,293.38

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Solution

The fourth proportional to 107,852,588.34, 161,522,083.80 and 68,870,293.38 is: 103,141,458.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,852,588.34 : 161,522,083.80 = 68,870,293.38 : x
  2. Step 2: Convert to fraction form
    107,852,588.34/161,522,083.80 = 68,870,293.38/x
  3. Step 3: Cross multiply
    107,852,588.34x = 161,522,083.80 × 68,870,293.38
  4. Step 4: Simplify right side
    107,852,588.34x = 11,124,073,298,654,946
  5. Step 5: Solve for x
    x = 11,124,073,298,654,946/107,852,588.34
  6. Step 6: Final answer
    x = 103,141,458.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.