Home / 275,811,351.90-380,622,262.77-152,056,457.70

Finding the Fourth Proportional to 275,811,351.90, 380,622,262.77 and 152,056,457.70

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Solution

The fourth proportional to 275,811,351.90, 380,622,262.77 and 152,056,457.70 is: 209,839,343.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,811,351.90 : 380,622,262.77 = 152,056,457.70 : x
  2. Step 2: Convert to fraction form
    275,811,351.90/380,622,262.77 = 152,056,457.70/x
  3. Step 3: Cross multiply
    275,811,351.90x = 380,622,262.77 × 152,056,457.70
  4. Step 4: Simplify right side
    275,811,351.90x = 57,876,072,998,564,784
  5. Step 5: Solve for x
    x = 57,876,072,998,564,784/275,811,351.90
  6. Step 6: Final answer
    x = 209,839,343.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.