Home / 214,282,412.43-321,346,548.84-74,184,828.63

Finding the Fourth Proportional to 214,282,412.43, 321,346,548.84 and 74,184,828.63

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Solution

The fourth proportional to 214,282,412.43, 321,346,548.84 and 74,184,828.63 is: 111,250,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,282,412.43 : 321,346,548.84 = 74,184,828.63 : x
  2. Step 2: Convert to fraction form
    214,282,412.43/321,346,548.84 = 74,184,828.63/x
  3. Step 3: Cross multiply
    214,282,412.43x = 321,346,548.84 × 74,184,828.63
  4. Step 4: Simplify right side
    214,282,412.43x = 23,839,038,656,537,320
  5. Step 5: Solve for x
    x = 23,839,038,656,537,320/214,282,412.43
  6. Step 6: Final answer
    x = 111,250,561.29

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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.