Home / 153,194,652.72-211,408,378.92-83,580,039.72

Finding the Fourth Proportional to 153,194,652.72, 211,408,378.92 and 83,580,039.72

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Solution

The fourth proportional to 153,194,652.72, 211,408,378.92 and 83,580,039.72 is: 115,340,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,194,652.72 : 211,408,378.92 = 83,580,039.72 : x
  2. Step 2: Convert to fraction form
    153,194,652.72/211,408,378.92 = 83,580,039.72/x
  3. Step 3: Cross multiply
    153,194,652.72x = 211,408,378.92 × 83,580,039.72
  4. Step 4: Simplify right side
    153,194,652.72x = 17,669,520,707,274,410
  5. Step 5: Solve for x
    x = 17,669,520,707,274,410/153,194,652.72
  6. Step 6: Final answer
    x = 115,340,322.87

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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.