Home / 164,071,301.40-246,088,289.70-42,915,000.60

Finding the Fourth Proportional to 164,071,301.40, 246,088,289.70 and 42,915,000.60

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Solution

The fourth proportional to 164,071,301.40, 246,088,289.70 and 42,915,000.60 is: 64,367,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,071,301.40 : 246,088,289.70 = 42,915,000.60 : x
  2. Step 2: Convert to fraction form
    164,071,301.40/246,088,289.70 = 42,915,000.60/x
  3. Step 3: Cross multiply
    164,071,301.40x = 246,088,289.70 × 42,915,000.60
  4. Step 4: Simplify right side
    164,071,301.40x = 10,560,879,100,128,474
  5. Step 5: Solve for x
    x = 10,560,879,100,128,474/164,071,301.40
  6. Step 6: Final answer
    x = 64,367,619.50

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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.