Home / 42,102,794.94-63,064,649.70-20,210,902.20

Finding the Fourth Proportional to 42,102,794.94, 63,064,649.70 and 20,210,902.20

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Solution

The fourth proportional to 42,102,794.94, 63,064,649.70 and 20,210,902.20 is: 30,273,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,102,794.94 : 63,064,649.70 = 20,210,902.20 : x
  2. Step 2: Convert to fraction form
    42,102,794.94/63,064,649.70 = 20,210,902.20/x
  3. Step 3: Cross multiply
    42,102,794.94x = 63,064,649.70 × 20,210,902.20
  4. Step 4: Simplify right side
    42,102,794.94x = 1,274,593,467,363,959.25
  5. Step 5: Solve for x
    x = 1,274,593,467,363,959.25/42,102,794.94
  6. Step 6: Final answer
    x = 30,273,369.48

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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.