Home / 190,380,935.61-262,628,978.94-124,340,118.48

Finding the Fourth Proportional to 190,380,935.61, 262,628,978.94 and 124,340,118.48

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Solution

The fourth proportional to 190,380,935.61, 262,628,978.94 and 124,340,118.48 is: 171,526,199.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,380,935.61 : 262,628,978.94 = 124,340,118.48 : x
  2. Step 2: Convert to fraction form
    190,380,935.61/262,628,978.94 = 124,340,118.48/x
  3. Step 3: Cross multiply
    190,380,935.61x = 262,628,978.94 × 124,340,118.48
  4. Step 4: Simplify right side
    190,380,935.61x = 32,655,318,357,681,024
  5. Step 5: Solve for x
    x = 32,655,318,357,681,024/190,380,935.61
  6. Step 6: Final answer
    x = 171,526,199.58

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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.