Home / 54,837,820.32-81,766,465.81-53,331,185.08

Finding the Fourth Proportional to 54,837,820.32, 81,766,465.81 and 53,331,185.08

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Solution

The fourth proportional to 54,837,820.32, 81,766,465.81 and 53,331,185.08 is: 79,519,982.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,837,820.32 : 81,766,465.81 = 53,331,185.08 : x
  2. Step 2: Convert to fraction form
    54,837,820.32/81,766,465.81 = 53,331,185.08/x
  3. Step 3: Cross multiply
    54,837,820.32x = 81,766,465.81 × 53,331,185.08
  4. Step 4: Simplify right side
    54,837,820.32x = 4,360,702,521,450,602
  5. Step 5: Solve for x
    x = 4,360,702,521,450,602/54,837,820.32
  6. Step 6: Final answer
    x = 79,519,982.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.