Home / 228,479,366.87-315,292,686.55-124,055,048.56

Finding the Fourth Proportional to 228,479,366.87, 315,292,686.55 and 124,055,048.56

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Solution

The fourth proportional to 228,479,366.87, 315,292,686.55 and 124,055,048.56 is: 171,191,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,479,366.87 : 315,292,686.55 = 124,055,048.56 : x
  2. Step 2: Convert to fraction form
    228,479,366.87/315,292,686.55 = 124,055,048.56/x
  3. Step 3: Cross multiply
    228,479,366.87x = 315,292,686.55 × 124,055,048.56
  4. Step 4: Simplify right side
    228,479,366.87x = 39,113,649,540,762,760
  5. Step 5: Solve for x
    x = 39,113,649,540,762,760/228,479,366.87
  6. Step 6: Final answer
    x = 171,191,167.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.