Home / 141,804,097.20-212,706,145.80-121,396,762.80

Finding the Fourth Proportional to 141,804,097.20, 212,706,145.80 and 121,396,762.80

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Solution

The fourth proportional to 141,804,097.20, 212,706,145.80 and 121,396,762.80 is: 182,095,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804,097.20 : 212,706,145.80 = 121,396,762.80 : x
  2. Step 2: Convert to fraction form
    141,804,097.20/212,706,145.80 = 121,396,762.80/x
  3. Step 3: Cross multiply
    141,804,097.20x = 212,706,145.80 × 121,396,762.80
  4. Step 4: Simplify right side
    141,804,097.20x = 25,821,837,527,784,816
  5. Step 5: Solve for x
    x = 25,821,837,527,784,816/141,804,097.20
  6. Step 6: Final answer
    x = 182,095,144.20

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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.