Home / 210,308,190.39-315,180,298.08-163,677,979.35

Finding the Fourth Proportional to 210,308,190.39, 315,180,298.08 and 163,677,979.35

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Solution

The fourth proportional to 210,308,190.39, 315,180,298.08 and 163,677,979.35 is: 245,297,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,308,190.39 : 315,180,298.08 = 163,677,979.35 : x
  2. Step 2: Convert to fraction form
    210,308,190.39/315,180,298.08 = 163,677,979.35/x
  3. Step 3: Cross multiply
    210,308,190.39x = 315,180,298.08 × 163,677,979.35
  4. Step 4: Simplify right side
    210,308,190.39x = 51,588,074,320,665,080
  5. Step 5: Solve for x
    x = 51,588,074,320,665,080/210,308,190.39
  6. Step 6: Final answer
    x = 245,297,504.70

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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.