Home / 137,019,745.96-189,087,047.08-74,295,729.95

Finding the Fourth Proportional to 137,019,745.96, 189,087,047.08 and 74,295,729.95

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Solution

The fourth proportional to 137,019,745.96, 189,087,047.08 and 74,295,729.95 is: 102,527,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,019,745.96 : 189,087,047.08 = 74,295,729.95 : x
  2. Step 2: Convert to fraction form
    137,019,745.96/189,087,047.08 = 74,295,729.95/x
  3. Step 3: Cross multiply
    137,019,745.96x = 189,087,047.08 × 74,295,729.95
  4. Step 4: Simplify right side
    137,019,745.96x = 14,048,360,185,767,440
  5. Step 5: Solve for x
    x = 14,048,360,185,767,440/137,019,745.96
  6. Step 6: Final answer
    x = 102,527,997.61

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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.