Home / 210,674,378.44-290,731,069.02-117,856,436.32

Finding the Fourth Proportional to 210,674,378.44, 290,731,069.02 and 117,856,436.32

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Solution

The fourth proportional to 210,674,378.44, 290,731,069.02 and 117,856,436.32 is: 162,642,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,674,378.44 : 290,731,069.02 = 117,856,436.32 : x
  2. Step 2: Convert to fraction form
    210,674,378.44/290,731,069.02 = 117,856,436.32/x
  3. Step 3: Cross multiply
    210,674,378.44x = 290,731,069.02 × 117,856,436.32
  4. Step 4: Simplify right side
    210,674,378.44x = 34,264,527,722,201,152
  5. Step 5: Solve for x
    x = 34,264,527,722,201,152/210,674,378.44
  6. Step 6: Final answer
    x = 162,642,120.87

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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.