Home / 190,236,856.12-262,533,323.94-181,519,895.32

Finding the Fourth Proportional to 190,236,856.12, 262,533,323.94 and 181,519,895.32

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Solution

The fourth proportional to 190,236,856.12, 262,533,323.94 and 181,519,895.32 is: 250,503,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,236,856.12 : 262,533,323.94 = 181,519,895.32 : x
  2. Step 2: Convert to fraction form
    190,236,856.12/262,533,323.94 = 181,519,895.32/x
  3. Step 3: Cross multiply
    190,236,856.12x = 262,533,323.94 × 181,519,895.32
  4. Step 4: Simplify right side
    190,236,856.12x = 47,655,021,479,600,448
  5. Step 5: Solve for x
    x = 47,655,021,479,600,448/190,236,856.12
  6. Step 6: Final answer
    x = 250,503,621.91

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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.