Home / 266,170,421.84-398,898,749.29-207,154,064.30

Finding the Fourth Proportional to 266,170,421.84, 398,898,749.29 and 207,154,064.30

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Solution

The fourth proportional to 266,170,421.84, 398,898,749.29 and 207,154,064.30 is: 310,453,342.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,170,421.84 : 398,898,749.29 = 207,154,064.30 : x
  2. Step 2: Convert to fraction form
    266,170,421.84/398,898,749.29 = 207,154,064.30/x
  3. Step 3: Cross multiply
    266,170,421.84x = 398,898,749.29 × 207,154,064.30
  4. Step 4: Simplify right side
    266,170,421.84x = 82,633,497,156,579,968
  5. Step 5: Solve for x
    x = 82,633,497,156,579,968/266,170,421.84
  6. Step 6: Final answer
    x = 310,453,342.59

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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.