Home / 165,368,014.40-248,052,021.60-84,746,446.40

Finding the Fourth Proportional to 165,368,014.40, 248,052,021.60 and 84,746,446.40

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Solution

The fourth proportional to 165,368,014.40, 248,052,021.60 and 84,746,446.40 is: 127,119,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,368,014.40 : 248,052,021.60 = 84,746,446.40 : x
  2. Step 2: Convert to fraction form
    165,368,014.40/248,052,021.60 = 84,746,446.40/x
  3. Step 3: Cross multiply
    165,368,014.40x = 248,052,021.60 × 84,746,446.40
  4. Step 4: Simplify right side
    165,368,014.40x = 21,021,527,352,936,044
  5. Step 5: Solve for x
    x = 21,021,527,352,936,044/165,368,014.40
  6. Step 6: Final answer
    x = 127,119,669.60

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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.