Home / 208,310,540.97-312,247,081.08-70,088,164.32

Finding the Fourth Proportional to 208,310,540.97, 312,247,081.08 and 70,088,164.32

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Solution

The fourth proportional to 208,310,540.97, 312,247,081.08 and 70,088,164.32 is: 105,058,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,310,540.97 : 312,247,081.08 = 70,088,164.32 : x
  2. Step 2: Convert to fraction form
    208,310,540.97/312,247,081.08 = 70,088,164.32/x
  3. Step 3: Cross multiply
    208,310,540.97x = 312,247,081.08 × 70,088,164.32
  4. Step 4: Simplify right side
    208,310,540.97x = 21,884,824,727,175,400
  5. Step 5: Solve for x
    x = 21,884,824,727,175,400/208,310,540.97
  6. Step 6: Final answer
    x = 105,058,652.46

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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.