Home / 170,112,021.20-255,168,031.80-101,919,611.60

Finding the Fourth Proportional to 170,112,021.20, 255,168,031.80 and 101,919,611.60

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Solution

The fourth proportional to 170,112,021.20, 255,168,031.80 and 101,919,611.60 is: 152,879,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,112,021.20 : 255,168,031.80 = 101,919,611.60 : x
  2. Step 2: Convert to fraction form
    170,112,021.20/255,168,031.80 = 101,919,611.60/x
  3. Step 3: Cross multiply
    170,112,021.20x = 255,168,031.80 × 101,919,611.60
  4. Step 4: Simplify right side
    170,112,021.20x = 26,006,626,693,792,448
  5. Step 5: Solve for x
    x = 26,006,626,693,792,448/170,112,021.20
  6. Step 6: Final answer
    x = 152,879,417.40

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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.