Home / 135,326,981.24-186,751,415.94-73,447,320.68

Finding the Fourth Proportional to 135,326,981.24, 186,751,415.94 and 73,447,320.68

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Solution

The fourth proportional to 135,326,981.24, 186,751,415.94 and 73,447,320.68 is: 101,357,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,326,981.24 : 186,751,415.94 = 73,447,320.68 : x
  2. Step 2: Convert to fraction form
    135,326,981.24/186,751,415.94 = 73,447,320.68/x
  3. Step 3: Cross multiply
    135,326,981.24x = 186,751,415.94 × 73,447,320.68
  4. Step 4: Simplify right side
    135,326,981.24x = 13,716,391,133,989,244
  5. Step 5: Solve for x
    x = 13,716,391,133,989,244/135,326,981.24
  6. Step 6: Final answer
    x = 101,357,401.22

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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.