Home / 165,686,893.68-248,530,330.28-157,401,949.94

Finding the Fourth Proportional to 165,686,893.68, 248,530,330.28 and 157,401,949.94

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Solution

The fourth proportional to 165,686,893.68, 248,530,330.28 and 157,401,949.94 is: 236,102,915.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,686,893.68 : 248,530,330.28 = 157,401,949.94 : x
  2. Step 2: Convert to fraction form
    165,686,893.68/248,530,330.28 = 157,401,949.94/x
  3. Step 3: Cross multiply
    165,686,893.68x = 248,530,330.28 × 157,401,949.94
  4. Step 4: Simplify right side
    165,686,893.68x = 39,119,158,604,455,080
  5. Step 5: Solve for x
    x = 39,119,158,604,455,080/165,686,893.68
  6. Step 6: Final answer
    x = 236,102,915.18

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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.