Home / 213,888,029.80-320,832,044.70-200,283,140.20

Finding the Fourth Proportional to 213,888,029.80, 320,832,044.70 and 200,283,140.20

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Solution

The fourth proportional to 213,888,029.80, 320,832,044.70 and 200,283,140.20 is: 300,424,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,888,029.80 : 320,832,044.70 = 200,283,140.20 : x
  2. Step 2: Convert to fraction form
    213,888,029.80/320,832,044.70 = 200,283,140.20/x
  3. Step 3: Cross multiply
    213,888,029.80x = 320,832,044.70 × 200,283,140.20
  4. Step 4: Simplify right side
    213,888,029.80x = 64,257,249,389,302,760
  5. Step 5: Solve for x
    x = 64,257,249,389,302,760/213,888,029.80
  6. Step 6: Final answer
    x = 300,424,710.30

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1.5x scale

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.