Home / 210,308,155.52-315,180,245.75-163,677,944.57

Finding the Fourth Proportional to 210,308,155.52, 315,180,245.75 and 163,677,944.57

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Solution

The fourth proportional to 210,308,155.52, 315,180,245.75 and 163,677,944.57 is: 245,297,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,308,155.52 : 315,180,245.75 = 163,677,944.57 : x
  2. Step 2: Convert to fraction form
    210,308,155.52/315,180,245.75 = 163,677,944.57/x
  3. Step 3: Cross multiply
    210,308,155.52x = 315,180,245.75 × 163,677,944.57
  4. Step 4: Simplify right side
    210,308,155.52x = 51,588,054,791,033,184
  5. Step 5: Solve for x
    x = 51,588,054,791,033,184/210,308,155.52
  6. Step 6: Final answer
    x = 245,297,452.52

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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.