Home / 170,019,007.60-255,028,511.40-159,941,311.60

Finding the Fourth Proportional to 170,019,007.60, 255,028,511.40 and 159,941,311.60

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Solution

The fourth proportional to 170,019,007.60, 255,028,511.40 and 159,941,311.60 is: 239,911,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,019,007.60 : 255,028,511.40 = 159,941,311.60 : x
  2. Step 2: Convert to fraction form
    170,019,007.60/255,028,511.40 = 159,941,311.60/x
  3. Step 3: Cross multiply
    170,019,007.60x = 255,028,511.40 × 159,941,311.60
  4. Step 4: Simplify right side
    170,019,007.60x = 40,789,594,608,711,552
  5. Step 5: Solve for x
    x = 40,789,594,608,711,552/170,019,007.60
  6. Step 6: Final answer
    x = 239,911,967.40

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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.