Home / 189,106,390.88-283,077,797.76-123,386,016.78

Finding the Fourth Proportional to 189,106,390.88, 283,077,797.76 and 123,386,016.78

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Solution

The fourth proportional to 189,106,390.88, 283,077,797.76 and 123,386,016.78 is: 184,699,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,106,390.88 : 283,077,797.76 = 123,386,016.78 : x
  2. Step 2: Convert to fraction form
    189,106,390.88/283,077,797.76 = 123,386,016.78/x
  3. Step 3: Cross multiply
    189,106,390.88x = 283,077,797.76 × 123,386,016.78
  4. Step 4: Simplify right side
    189,106,390.88x = 34,927,841,904,460,804
  5. Step 5: Solve for x
    x = 34,927,841,904,460,804/189,106,390.88
  6. Step 6: Final answer
    x = 184,699,426.30

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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.