Home / 139,454,757.30-209,190,009.15-42,413,630.70

Finding the Fourth Proportional to 139,454,757.30, 209,190,009.15 and 42,413,630.70

Calculator

Solution

The fourth proportional to 139,454,757.30, 209,190,009.15 and 42,413,630.70 is: 63,622,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,454,757.30 : 209,190,009.15 = 42,413,630.70 : x
  2. Step 2: Convert to fraction form
    139,454,757.30/209,190,009.15 = 42,413,630.70/x
  3. Step 3: Cross multiply
    139,454,757.30x = 209,190,009.15 × 42,413,630.70
  4. Step 4: Simplify right side
    139,454,757.30x = 8,872,507,794,217,722
  5. Step 5: Solve for x
    x = 8,872,507,794,217,722/139,454,757.30
  6. Step 6: Final answer
    x = 63,622,840.60

Related Problems

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.