Home / 210,014,815.80-314,927,745.30-80,579,407.80

Finding the Fourth Proportional to 210,014,815.80, 314,927,745.30 and 80,579,407.80

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Solution

The fourth proportional to 210,014,815.80, 314,927,745.30 and 80,579,407.80 is: 120,832,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,014,815.80 : 314,927,745.30 = 80,579,407.80 : x
  2. Step 2: Convert to fraction form
    210,014,815.80/314,927,745.30 = 80,579,407.80/x
  3. Step 3: Cross multiply
    210,014,815.80x = 314,927,745.30 × 80,579,407.80
  4. Step 4: Simplify right side
    210,014,815.80x = 25,376,691,216,063,232
  5. Step 5: Solve for x
    x = 25,376,691,216,063,232/210,014,815.80
  6. Step 6: Final answer
    x = 120,832,861.81

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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.