Home / 286,256,419.81-394,920,263.41-165,532,099.50

Finding the Fourth Proportional to 286,256,419.81, 394,920,263.41 and 165,532,099.50

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Solution

The fourth proportional to 286,256,419.81, 394,920,263.41 and 165,532,099.50 is: 228,368,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,256,419.81 : 394,920,263.41 = 165,532,099.50 : x
  2. Step 2: Convert to fraction form
    286,256,419.81/394,920,263.41 = 165,532,099.50/x
  3. Step 3: Cross multiply
    286,256,419.81x = 394,920,263.41 × 165,532,099.50
  4. Step 4: Simplify right side
    286,256,419.81x = 65,371,980,336,936,504
  5. Step 5: Solve for x
    x = 65,371,980,336,936,504/286,256,419.81
  6. Step 6: Final answer
    x = 228,368,608.75

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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.