Home / 137,483,857.41-189,731,319.06-74,763,623.65

Finding the Fourth Proportional to 137,483,857.41, 189,731,319.06 and 74,763,623.65

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Solution

The fourth proportional to 137,483,857.41, 189,731,319.06 and 74,763,623.65 is: 103,175,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,483,857.41 : 189,731,319.06 = 74,763,623.65 : x
  2. Step 2: Convert to fraction form
    137,483,857.41/189,731,319.06 = 74,763,623.65/x
  3. Step 3: Cross multiply
    137,483,857.41x = 189,731,319.06 × 74,763,623.65
  4. Step 4: Simplify right side
    137,483,857.41x = 14,185,000,932,819,914
  5. Step 5: Solve for x
    x = 14,185,000,932,819,914/137,483,857.41
  6. Step 6: Final answer
    x = 103,175,756.05

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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.