Home / 137,603,736.06-189,890,699.85-74,877,694.67

Finding the Fourth Proportional to 137,603,736.06, 189,890,699.85 and 74,877,694.67

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Solution

The fourth proportional to 137,603,736.06, 189,890,699.85 and 74,877,694.67 is: 103,329,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,603,736.06 : 189,890,699.85 = 74,877,694.67 : x
  2. Step 2: Convert to fraction form
    137,603,736.06/189,890,699.85 = 74,877,694.67/x
  3. Step 3: Cross multiply
    137,603,736.06x = 189,890,699.85 × 74,877,694.67
  4. Step 4: Simplify right side
    137,603,736.06x = 14,218,577,843,091,462
  5. Step 5: Solve for x
    x = 14,218,577,843,091,462/137,603,736.06
  6. Step 6: Final answer
    x = 103,329,882.24

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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.