Home / 49,201,688.70-73,811,390.40-20,450,730.60

Finding the Fourth Proportional to 49,201,688.70, 73,811,390.40 and 20,450,730.60

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Solution

The fourth proportional to 49,201,688.70, 73,811,390.40 and 20,450,730.60 is: 30,679,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,201,688.70 : 73,811,390.40 = 20,450,730.60 : x
  2. Step 2: Convert to fraction form
    49,201,688.70/73,811,390.40 = 20,450,730.60/x
  3. Step 3: Cross multiply
    49,201,688.70x = 73,811,390.40 × 20,450,730.60
  4. Step 4: Simplify right side
    49,201,688.70x = 1,509,496,860,281,826.50
  5. Step 5: Solve for x
    x = 1,509,496,860,281,826.50/49,201,688.70
  6. Step 6: Final answer
    x = 30,679,777.47

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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.