Home / 170,390,825.20-255,586,237.80-140,157,737.20

Finding the Fourth Proportional to 170,390,825.20, 255,586,237.80 and 140,157,737.20

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Solution

The fourth proportional to 170,390,825.20, 255,586,237.80 and 140,157,737.20 is: 210,236,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,390,825.20 : 255,586,237.80 = 140,157,737.20 : x
  2. Step 2: Convert to fraction form
    170,390,825.20/255,586,237.80 = 140,157,737.20/x
  3. Step 3: Cross multiply
    170,390,825.20x = 255,586,237.80 × 140,157,737.20
  4. Step 4: Simplify right side
    170,390,825.20x = 35,822,388,749,509,104
  5. Step 5: Solve for x
    x = 35,822,388,749,509,104/170,390,825.20
  6. Step 6: Final answer
    x = 210,236,605.80

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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.