Home / 135,417,203.51-203,061,771.69-52,457,810.25

Finding the Fourth Proportional to 135,417,203.51, 203,061,771.69 and 52,457,810.25

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Solution

The fourth proportional to 135,417,203.51, 203,061,771.69 and 52,457,810.25 is: 78,661,910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,417,203.51 : 203,061,771.69 = 52,457,810.25 : x
  2. Step 2: Convert to fraction form
    135,417,203.51/203,061,771.69 = 52,457,810.25/x
  3. Step 3: Cross multiply
    135,417,203.51x = 203,061,771.69 × 52,457,810.25
  4. Step 4: Simplify right side
    135,417,203.51x = 10,652,175,888,211,698
  5. Step 5: Solve for x
    x = 10,652,175,888,211,698/135,417,203.51
  6. Step 6: Final answer
    x = 78,661,910.10

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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.