Home / 174,212,652.69-261,500,574.96-77,236,463.79

Finding the Fourth Proportional to 174,212,652.69, 261,500,574.96 and 77,236,463.79

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Solution

The fourth proportional to 174,212,652.69, 261,500,574.96 and 77,236,463.79 is: 115,935,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,212,652.69 : 261,500,574.96 = 77,236,463.79 : x
  2. Step 2: Convert to fraction form
    174,212,652.69/261,500,574.96 = 77,236,463.79/x
  3. Step 3: Cross multiply
    174,212,652.69x = 261,500,574.96 × 77,236,463.79
  4. Step 4: Simplify right side
    174,212,652.69x = 20,197,379,688,962,224
  5. Step 5: Solve for x
    x = 20,197,379,688,962,224/174,212,652.69
  6. Step 6: Final answer
    x = 115,935,205.49

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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.