Home / 170,000,390.40-255,063,571.20-163,701,830.40

Finding the Fourth Proportional to 170,000,390.40, 255,063,571.20 and 163,701,830.40

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Solution

The fourth proportional to 170,000,390.40, 255,063,571.20 and 163,701,830.40 is: 245,613,397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,000,390.40 : 255,063,571.20 = 163,701,830.40 : x
  2. Step 2: Convert to fraction form
    170,000,390.40/255,063,571.20 = 163,701,830.40/x
  3. Step 3: Cross multiply
    170,000,390.40x = 255,063,571.20 × 163,701,830.40
  4. Step 4: Simplify right side
    170,000,390.40x = 41,754,373,473,800,728
  5. Step 5: Solve for x
    x = 41,754,373,473,800,728/170,000,390.40
  6. Step 6: Final answer
    x = 245,613,397.57

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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.