Home / 315,184,825-434,950,518.14-174,062,016.72

Finding the Fourth Proportional to 315,184,825, 434,950,518.14 and 174,062,016.72

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Solution

The fourth proportional to 315,184,825, 434,950,518.14 and 174,062,016.72 is: 240,203,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,184,825 : 434,950,518.14 = 174,062,016.72 : x
  2. Step 2: Convert to fraction form
    315,184,825/434,950,518.14 = 174,062,016.72/x
  3. Step 3: Cross multiply
    315,184,825x = 434,950,518.14 × 174,062,016.72
  4. Step 4: Simplify right side
    315,184,825x = 75,708,364,360,857,344
  5. Step 5: Solve for x
    x = 75,708,364,360,857,344/315,184,825
  6. Step 6: Final answer
    x = 240,203,075.64

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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.