Home / 145,160,200.80-217,740,301.20-117,950,421.60

Finding the Fourth Proportional to 145,160,200.80, 217,740,301.20 and 117,950,421.60

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Solution

The fourth proportional to 145,160,200.80, 217,740,301.20 and 117,950,421.60 is: 176,925,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,160,200.80 : 217,740,301.20 = 117,950,421.60 : x
  2. Step 2: Convert to fraction form
    145,160,200.80/217,740,301.20 = 117,950,421.60/x
  3. Step 3: Cross multiply
    145,160,200.80x = 217,740,301.20 × 117,950,421.60
  4. Step 4: Simplify right side
    145,160,200.80x = 25,682,560,325,850,984
  5. Step 5: Solve for x
    x = 25,682,560,325,850,984/145,160,200.80
  6. Step 6: Final answer
    x = 176,925,632.40

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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.