Home / 157,485,924.20-236,228,886.30-145,014,775.40

Finding the Fourth Proportional to 157,485,924.20, 236,228,886.30 and 145,014,775.40

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Solution

The fourth proportional to 157,485,924.20, 236,228,886.30 and 145,014,775.40 is: 217,522,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,485,924.20 : 236,228,886.30 = 145,014,775.40 : x
  2. Step 2: Convert to fraction form
    157,485,924.20/236,228,886.30 = 145,014,775.40/x
  3. Step 3: Cross multiply
    157,485,924.20x = 236,228,886.30 × 145,014,775.40
  4. Step 4: Simplify right side
    157,485,924.20x = 34,256,678,889,786,640
  5. Step 5: Solve for x
    x = 34,256,678,889,786,640/157,485,924.20
  6. Step 6: Final answer
    x = 217,522,163.10

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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.