Home / 210,638,741.26-315,988,336.23-65,085,012.04

Finding the Fourth Proportional to 210,638,741.26, 315,988,336.23 and 65,085,012.04

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Solution

The fourth proportional to 210,638,741.26, 315,988,336.23 and 65,085,012.04 is: 97,636,857.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,638,741.26 : 315,988,336.23 = 65,085,012.04 : x
  2. Step 2: Convert to fraction form
    210,638,741.26/315,988,336.23 = 65,085,012.04/x
  3. Step 3: Cross multiply
    210,638,741.26x = 315,988,336.23 × 65,085,012.04
  4. Step 4: Simplify right side
    210,638,741.26x = 20,566,104,668,029,120
  5. Step 5: Solve for x
    x = 20,566,104,668,029,120/210,638,741.26
  6. Step 6: Final answer
    x = 97,636,857.04

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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.