Home / 146,765,154.90-202,536,044.08-80,686,777.41

Finding the Fourth Proportional to 146,765,154.90, 202,536,044.08 and 80,686,777.41

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Solution

The fourth proportional to 146,765,154.90, 202,536,044.08 and 80,686,777.41 is: 111,347,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,765,154.90 : 202,536,044.08 = 80,686,777.41 : x
  2. Step 2: Convert to fraction form
    146,765,154.90/202,536,044.08 = 80,686,777.41/x
  3. Step 3: Cross multiply
    146,765,154.90x = 202,536,044.08 × 80,686,777.41
  4. Step 4: Simplify right side
    146,765,154.90x = 16,341,980,705,983,190
  5. Step 5: Solve for x
    x = 16,341,980,705,983,190/146,765,154.90
  6. Step 6: Final answer
    x = 111,347,824.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.