Home / 210,505,555.58-315,788,005.23-64,950,951.56

Finding the Fourth Proportional to 210,505,555.58, 315,788,005.23 and 64,950,951.56

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Solution

The fourth proportional to 210,505,555.58, 315,788,005.23 and 64,950,951.56 is: 97,435,582.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,505,555.58 : 315,788,005.23 = 64,950,951.56 : x
  2. Step 2: Convert to fraction form
    210,505,555.58/315,788,005.23 = 64,950,951.56/x
  3. Step 3: Cross multiply
    210,505,555.58x = 315,788,005.23 × 64,950,951.56
  4. Step 4: Simplify right side
    210,505,555.58x = 20,510,731,430,922,760
  5. Step 5: Solve for x
    x = 20,510,731,430,922,760/210,505,555.58
  6. Step 6: Final answer
    x = 97,435,582.52

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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.