Home / 209,953,514.80-314,930,272.20-190,821,638.80

Finding the Fourth Proportional to 209,953,514.80, 314,930,272.20 and 190,821,638.80

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Solution

The fourth proportional to 209,953,514.80, 314,930,272.20 and 190,821,638.80 is: 286,232,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,514.80 : 314,930,272.20 = 190,821,638.80 : x
  2. Step 2: Convert to fraction form
    209,953,514.80/314,930,272.20 = 190,821,638.80/x
  3. Step 3: Cross multiply
    209,953,514.80x = 314,930,272.20 × 190,821,638.80
  4. Step 4: Simplify right side
    209,953,514.80x = 60,095,510,648,934,080
  5. Step 5: Solve for x
    x = 60,095,510,648,934,080/209,953,514.80
  6. Step 6: Final answer
    x = 286,232,458.20

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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.