Home / 315,202,216.40-472,405,193.40-153,295,528.40

Finding the Fourth Proportional to 315,202,216.40, 472,405,193.40 and 153,295,528.40

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Solution

The fourth proportional to 315,202,216.40, 472,405,193.40 and 153,295,528.40 is: 229,749,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,202,216.40 : 472,405,193.40 = 153,295,528.40 : x
  2. Step 2: Convert to fraction form
    315,202,216.40/472,405,193.40 = 153,295,528.40/x
  3. Step 3: Cross multiply
    315,202,216.40x = 472,405,193.40 × 153,295,528.40
  4. Step 4: Simplify right side
    315,202,216.40x = 72,417,603,741,157,184
  5. Step 5: Solve for x
    x = 72,417,603,741,157,184/315,202,216.40
  6. Step 6: Final answer
    x = 229,749,665.37

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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.