Home / 190,944,186.40-286,416,279.60-118,384,775.20

Finding the Fourth Proportional to 190,944,186.40, 286,416,279.60 and 118,384,775.20

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Solution

The fourth proportional to 190,944,186.40, 286,416,279.60 and 118,384,775.20 is: 177,577,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,944,186.40 : 286,416,279.60 = 118,384,775.20 : x
  2. Step 2: Convert to fraction form
    190,944,186.40/286,416,279.60 = 118,384,775.20/x
  3. Step 3: Cross multiply
    190,944,186.40x = 286,416,279.60 × 118,384,775.20
  4. Step 4: Simplify right side
    190,944,186.40x = 33,907,326,874,066,348
  5. Step 5: Solve for x
    x = 33,907,326,874,066,348/190,944,186.40
  6. Step 6: Final answer
    x = 177,577,162.80

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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.