Home / 165,868,083.40-248,802,125.10-105,551,206.60

Finding the Fourth Proportional to 165,868,083.40, 248,802,125.10 and 105,551,206.60

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Solution

The fourth proportional to 165,868,083.40, 248,802,125.10 and 105,551,206.60 is: 158,326,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,868,083.40 : 248,802,125.10 = 105,551,206.60 : x
  2. Step 2: Convert to fraction form
    165,868,083.40/248,802,125.10 = 105,551,206.60/x
  3. Step 3: Cross multiply
    165,868,083.40x = 248,802,125.10 × 105,551,206.60
  4. Step 4: Simplify right side
    165,868,083.40x = 26,261,364,508,949,144
  5. Step 5: Solve for x
    x = 26,261,364,508,949,144/165,868,083.40
  6. Step 6: Final answer
    x = 158,326,809.90

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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.