Home / 78,812,431,790.14-118,233,857,528.25-25,739,196,788.26

Finding the Fourth Proportional to 78,812,431,790.14, 118,233,857,528.25 and 25,739,196,788.26

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Solution

The fourth proportional to 78,812,431,790.14, 118,233,857,528.25 and 25,739,196,788.26 is: 38,613,762,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,812,431,790.14 : 118,233,857,528.25 = 25,739,196,788.26 : x
  2. Step 2: Convert to fraction form
    78,812,431,790.14/118,233,857,528.25 = 25,739,196,788.26/x
  3. Step 3: Cross multiply
    78,812,431,790.14x = 118,233,857,528.25 × 25,739,196,788.26
  4. Step 4: Simplify right side
    78,812,431,790.14x = 3,043,244,525,954,722,693,120
  5. Step 5: Solve for x
    x = 3,043,244,525,954,722,693,120/78,812,431,790.14
  6. Step 6: Final answer
    x = 38,613,762,535.06

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1.5x scale

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.