Home / 144,319,884.02-199,163,000.64-84,783,689.67

Finding the Fourth Proportional to 144,319,884.02, 199,163,000.64 and 84,783,689.67

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Solution

The fourth proportional to 144,319,884.02, 199,163,000.64 and 84,783,689.67 is: 117,002,408.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,319,884.02 : 199,163,000.64 = 84,783,689.67 : x
  2. Step 2: Convert to fraction form
    144,319,884.02/199,163,000.64 = 84,783,689.67/x
  3. Step 3: Cross multiply
    144,319,884.02x = 199,163,000.64 × 84,783,689.67
  4. Step 4: Simplify right side
    144,319,884.02x = 16,885,774,040,007,770
  5. Step 5: Solve for x
    x = 16,885,774,040,007,770/144,319,884.02
  6. Step 6: Final answer
    x = 117,002,408.61

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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.