Home / 209,952,197.80-314,928,296.70-73,637,581.30

Finding the Fourth Proportional to 209,952,197.80, 314,928,296.70 and 73,637,581.30

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Solution

The fourth proportional to 209,952,197.80, 314,928,296.70 and 73,637,581.30 is: 110,456,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,197.80 : 314,928,296.70 = 73,637,581.30 : x
  2. Step 2: Convert to fraction form
    209,952,197.80/314,928,296.70 = 73,637,581.30/x
  3. Step 3: Cross multiply
    209,952,197.80x = 314,928,296.70 × 73,637,581.30
  4. Step 4: Simplify right side
    209,952,197.80x = 23,190,558,051,916,768
  5. Step 5: Solve for x
    x = 23,190,558,051,916,768/209,952,197.80
  6. Step 6: Final answer
    x = 110,456,371.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.