Home / 42,595,852.20-63,850,232.70-20,997,234.60

Finding the Fourth Proportional to 42,595,852.20, 63,850,232.70 and 20,997,234.60

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Solution

The fourth proportional to 42,595,852.20, 63,850,232.70 and 20,997,234.60 is: 31,474,386.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,595,852.20 : 63,850,232.70 = 20,997,234.60 : x
  2. Step 2: Convert to fraction form
    42,595,852.20/63,850,232.70 = 20,997,234.60/x
  3. Step 3: Cross multiply
    42,595,852.20x = 63,850,232.70 × 20,997,234.60
  4. Step 4: Simplify right side
    42,595,852.20x = 1,340,678,315,266,491.50
  5. Step 5: Solve for x
    x = 1,340,678,315,266,491.50/42,595,852.20
  6. Step 6: Final answer
    x = 31,474,386.50

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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.