Home / 403,180,939.21-605,006,128.61-169,997,028.70

Finding the Fourth Proportional to 403,180,939.21, 605,006,128.61 and 169,997,028.70

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Solution

The fourth proportional to 403,180,939.21, 605,006,128.61 and 169,997,028.70 is: 255,094,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,180,939.21 : 605,006,128.61 = 169,997,028.70 : x
  2. Step 2: Convert to fraction form
    403,180,939.21/605,006,128.61 = 169,997,028.70/x
  3. Step 3: Cross multiply
    403,180,939.21x = 605,006,128.61 × 169,997,028.70
  4. Step 4: Simplify right side
    403,180,939.21x = 102,849,244,208,990,064
  5. Step 5: Solve for x
    x = 102,849,244,208,990,064/403,180,939.21
  6. Step 6: Final answer
    x = 255,094,510.20

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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.