Home / 109,453,933.40-164,072,612.10-51,844,947.80

Finding the Fourth Proportional to 109,453,933.40, 164,072,612.10 and 51,844,947.80

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Solution

The fourth proportional to 109,453,933.40, 164,072,612.10 and 51,844,947.80 is: 77,716,129.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,453,933.40 : 164,072,612.10 = 51,844,947.80 : x
  2. Step 2: Convert to fraction form
    109,453,933.40/164,072,612.10 = 51,844,947.80/x
  3. Step 3: Cross multiply
    109,453,933.40x = 164,072,612.10 × 51,844,947.80
  4. Step 4: Simplify right side
    109,453,933.40x = 8,506,336,009,734,148
  5. Step 5: Solve for x
    x = 8,506,336,009,734,148/109,453,933.40
  6. Step 6: Final answer
    x = 77,716,129.02

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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.