Home / 210,064,647.28-289,619,749.23-172,248,481.92

Finding the Fourth Proportional to 210,064,647.28, 289,619,749.23 and 172,248,481.92

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Solution

The fourth proportional to 210,064,647.28, 289,619,749.23 and 172,248,481.92 is: 237,481,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,064,647.28 : 289,619,749.23 = 172,248,481.92 : x
  2. Step 2: Convert to fraction form
    210,064,647.28/289,619,749.23 = 172,248,481.92/x
  3. Step 3: Cross multiply
    210,064,647.28x = 289,619,749.23 × 172,248,481.92
  4. Step 4: Simplify right side
    210,064,647.28x = 49,886,562,136,609,248
  5. Step 5: Solve for x
    x = 49,886,562,136,609,248/210,064,647.28
  6. Step 6: Final answer
    x = 237,481,950.35

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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.