Home / 135,448,246.07-186,915,400.27-79,697,277.51

Finding the Fourth Proportional to 135,448,246.07, 186,915,400.27 and 79,697,277.51

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Solution

The fourth proportional to 135,448,246.07, 186,915,400.27 and 79,697,277.51 is: 109,980,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,448,246.07 : 186,915,400.27 = 79,697,277.51 : x
  2. Step 2: Convert to fraction form
    135,448,246.07/186,915,400.27 = 79,697,277.51/x
  3. Step 3: Cross multiply
    135,448,246.07x = 186,915,400.27 × 79,697,277.51
  4. Step 4: Simplify right side
    135,448,246.07x = 14,896,648,525,310,742
  5. Step 5: Solve for x
    x = 14,896,648,525,310,742/135,448,246.07
  6. Step 6: Final answer
    x = 109,980,372.27

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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.