Home / 210,374,532.92-290,311,286.46-117,555,803.48

Finding the Fourth Proportional to 210,374,532.92, 290,311,286.46 and 117,555,803.48

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Solution

The fourth proportional to 210,374,532.92, 290,311,286.46 and 117,555,803.48 is: 162,223,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,374,532.92 : 290,311,286.46 = 117,555,803.48 : x
  2. Step 2: Convert to fraction form
    210,374,532.92/290,311,286.46 = 117,555,803.48/x
  3. Step 3: Cross multiply
    210,374,532.92x = 290,311,286.46 × 117,555,803.48
  4. Step 4: Simplify right side
    210,374,532.92x = 34,127,776,539,402,692
  5. Step 5: Solve for x
    x = 34,127,776,539,402,692/210,374,532.92
  6. Step 6: Final answer
    x = 162,223,896.90

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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.