Home / 209,953,809.80-314,930,714.70-190,821,933.80

Finding the Fourth Proportional to 209,953,809.80, 314,930,714.70 and 190,821,933.80

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Solution

The fourth proportional to 209,953,809.80, 314,930,714.70 and 190,821,933.80 is: 286,232,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,809.80 : 314,930,714.70 = 190,821,933.80 : x
  2. Step 2: Convert to fraction form
    209,953,809.80/314,930,714.70 = 190,821,933.80/x
  3. Step 3: Cross multiply
    209,953,809.80x = 314,930,714.70 × 190,821,933.80
  4. Step 4: Simplify right side
    209,953,809.80x = 60,095,687,992,070,088
  5. Step 5: Solve for x
    x = 60,095,687,992,070,088/209,953,809.80
  6. Step 6: Final answer
    x = 286,232,900.70

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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.