Home / 210,050,669.14-289,600,456.94-172,234,507.20

Finding the Fourth Proportional to 210,050,669.14, 289,600,456.94 and 172,234,507.20

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Solution

The fourth proportional to 210,050,669.14, 289,600,456.94 and 172,234,507.20 is: 237,462,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,050,669.14 : 289,600,456.94 = 172,234,507.20 : x
  2. Step 2: Convert to fraction form
    210,050,669.14/289,600,456.94 = 172,234,507.20/x
  3. Step 3: Cross multiply
    210,050,669.14x = 289,600,456.94 × 172,234,507.20
  4. Step 4: Simplify right side
    210,050,669.14x = 49,879,191,985,955,720
  5. Step 5: Solve for x
    x = 49,879,191,985,955,720/210,050,669.14
  6. Step 6: Final answer
    x = 237,462,666.46

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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.