Home / 277,058,005.20-415,312,903.80-131,235,260.40

Finding the Fourth Proportional to 277,058,005.20, 415,312,903.80 and 131,235,260.40

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Solution

The fourth proportional to 277,058,005.20, 415,312,903.80 and 131,235,260.40 is: 196,723,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,058,005.20 : 415,312,903.80 = 131,235,260.40 : x
  2. Step 2: Convert to fraction form
    277,058,005.20/415,312,903.80 = 131,235,260.40/x
  3. Step 3: Cross multiply
    277,058,005.20x = 415,312,903.80 × 131,235,260.40
  4. Step 4: Simplify right side
    277,058,005.20x = 54,503,697,077,673,152
  5. Step 5: Solve for x
    x = 54,503,697,077,673,152/277,058,005.20
  6. Step 6: Final answer
    x = 196,723,054.58

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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.