Home / 170,413,347.40-255,620,021.10-143,203,568.20

Finding the Fourth Proportional to 170,413,347.40, 255,620,021.10 and 143,203,568.20

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Solution

The fourth proportional to 170,413,347.40, 255,620,021.10 and 143,203,568.20 is: 214,805,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,413,347.40 : 255,620,021.10 = 143,203,568.20 : x
  2. Step 2: Convert to fraction form
    170,413,347.40/255,620,021.10 = 143,203,568.20/x
  3. Step 3: Cross multiply
    170,413,347.40x = 255,620,021.10 × 143,203,568.20
  4. Step 4: Simplify right side
    170,413,347.40x = 36,605,699,124,879,288
  5. Step 5: Solve for x
    x = 36,605,699,124,879,288/170,413,347.40
  6. Step 6: Final answer
    x = 214,805,352.30

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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.