Home / 314,063,460.45-433,410,782.75-172,947,803.49

Finding the Fourth Proportional to 314,063,460.45, 433,410,782.75 and 172,947,803.49

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Solution

The fourth proportional to 314,063,460.45, 433,410,782.75 and 172,947,803.49 is: 238,669,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,063,460.45 : 433,410,782.75 = 172,947,803.49 : x
  2. Step 2: Convert to fraction form
    314,063,460.45/433,410,782.75 = 172,947,803.49/x
  3. Step 3: Cross multiply
    314,063,460.45x = 433,410,782.75 × 172,947,803.49
  4. Step 4: Simplify right side
    314,063,460.45x = 74,957,442,887,472,944
  5. Step 5: Solve for x
    x = 74,957,442,887,472,944/314,063,460.45
  6. Step 6: Final answer
    x = 238,669,735.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.