Home / 109,933,939.08-151,767,734.72-84,761,068.77

Finding the Fourth Proportional to 109,933,939.08, 151,767,734.72 and 84,761,068.77

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Solution

The fourth proportional to 109,933,939.08, 151,767,734.72 and 84,761,068.77 is: 117,015,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,933,939.08 : 151,767,734.72 = 84,761,068.77 : x
  2. Step 2: Convert to fraction form
    109,933,939.08/151,767,734.72 = 84,761,068.77/x
  3. Step 3: Cross multiply
    109,933,939.08x = 151,767,734.72 × 84,761,068.77
  4. Step 4: Simplify right side
    109,933,939.08x = 12,863,995,399,245,232
  5. Step 5: Solve for x
    x = 12,863,995,399,245,232/109,933,939.08
  6. Step 6: Final answer
    x = 117,015,686.94

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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.