Home / 170,413,346.40-255,620,019.60-143,203,567.20

Finding the Fourth Proportional to 170,413,346.40, 255,620,019.60 and 143,203,567.20

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Solution

The fourth proportional to 170,413,346.40, 255,620,019.60 and 143,203,567.20 is: 214,805,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,413,346.40 : 255,620,019.60 = 143,203,567.20 : x
  2. Step 2: Convert to fraction form
    170,413,346.40/255,620,019.60 = 143,203,567.20/x
  3. Step 3: Cross multiply
    170,413,346.40x = 255,620,019.60 × 143,203,567.20
  4. Step 4: Simplify right side
    170,413,346.40x = 36,605,698,654,453,912
  5. Step 5: Solve for x
    x = 36,605,698,654,453,912/170,413,346.40
  6. Step 6: Final answer
    x = 214,805,350.80

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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.