Home / 137,019,739.96-189,087,038.80-74,295,723.95

Finding the Fourth Proportional to 137,019,739.96, 189,087,038.80 and 74,295,723.95

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Solution

The fourth proportional to 137,019,739.96, 189,087,038.80 and 74,295,723.95 is: 102,527,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,019,739.96 : 189,087,038.80 = 74,295,723.95 : x
  2. Step 2: Convert to fraction form
    137,019,739.96/189,087,038.80 = 74,295,723.95/x
  3. Step 3: Cross multiply
    137,019,739.96x = 189,087,038.80 × 74,295,723.95
  4. Step 4: Simplify right side
    137,019,739.96x = 14,048,358,436,076,564
  5. Step 5: Solve for x
    x = 14,048,358,436,076,564/137,019,739.96
  6. Step 6: Final answer
    x = 102,527,989.33

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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.