Home / 210,977,974.20-316,466,961.30-207,198,838.20

Finding the Fourth Proportional to 210,977,974.20, 316,466,961.30 and 207,198,838.20

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Solution

The fourth proportional to 210,977,974.20, 316,466,961.30 and 207,198,838.20 is: 310,798,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,977,974.20 : 316,466,961.30 = 207,198,838.20 : x
  2. Step 2: Convert to fraction form
    210,977,974.20/316,466,961.30 = 207,198,838.20/x
  3. Step 3: Cross multiply
    210,977,974.20x = 316,466,961.30 × 207,198,838.20
  4. Step 4: Simplify right side
    210,977,974.20x = 65,571,586,710,044,360
  5. Step 5: Solve for x
    x = 65,571,586,710,044,360/210,977,974.20
  6. Step 6: Final answer
    x = 310,798,257.30

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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.