Home / 315,184,824-434,950,516.76-174,062,015.72

Finding the Fourth Proportional to 315,184,824, 434,950,516.76 and 174,062,015.72

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Solution

The fourth proportional to 315,184,824, 434,950,516.76 and 174,062,015.72 is: 240,203,074.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,184,824 : 434,950,516.76 = 174,062,015.72 : x
  2. Step 2: Convert to fraction form
    315,184,824/434,950,516.76 = 174,062,015.72/x
  3. Step 3: Cross multiply
    315,184,824x = 434,950,516.76 × 174,062,015.72
  4. Step 4: Simplify right side
    315,184,824x = 75,708,363,685,701,248
  5. Step 5: Solve for x
    x = 75,708,363,685,701,248/315,184,824
  6. Step 6: Final answer
    x = 240,203,074.26

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1.5x scale

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.