Home / 139,230,850.08-208,846,313.76-51,780,941.12

Finding the Fourth Proportional to 139,230,850.08, 208,846,313.76 and 51,780,941.12

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Solution

The fourth proportional to 139,230,850.08, 208,846,313.76 and 51,780,941.12 is: 77,671,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,230,850.08 : 208,846,313.76 = 51,780,941.12 : x
  2. Step 2: Convert to fraction form
    139,230,850.08/208,846,313.76 = 51,780,941.12/x
  3. Step 3: Cross multiply
    139,230,850.08x = 208,846,313.76 × 51,780,941.12
  4. Step 4: Simplify right side
    139,230,850.08x = 10,814,258,675,935,604
  5. Step 5: Solve for x
    x = 10,814,258,675,935,604/139,230,850.08
  6. Step 6: Final answer
    x = 77,671,426.05

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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.