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Finding the Fourth Proportional to 42,339,808.80, 63,415,234.80 and 32,724,007.20

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Solution

The fourth proportional to 42,339,808.80, 63,415,234.80 and 32,724,007.20 is: 49,012,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,339,808.80 : 63,415,234.80 = 32,724,007.20 : x
  2. Step 2: Convert to fraction form
    42,339,808.80/63,415,234.80 = 32,724,007.20/x
  3. Step 3: Cross multiply
    42,339,808.80x = 63,415,234.80 × 32,724,007.20
  4. Step 4: Simplify right side
    42,339,808.80x = 2,075,200,600,184,890.50
  5. Step 5: Solve for x
    x = 2,075,200,600,184,890.50/42,339,808.80
  6. Step 6: Final answer
    x = 49,012,989.41

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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.