Home / 146,780,401.20-220,170,601.80-98,407,460.40

Finding the Fourth Proportional to 146,780,401.20, 220,170,601.80 and 98,407,460.40

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Solution

The fourth proportional to 146,780,401.20, 220,170,601.80 and 98,407,460.40 is: 147,611,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,780,401.20 : 220,170,601.80 = 98,407,460.40 : x
  2. Step 2: Convert to fraction form
    146,780,401.20/220,170,601.80 = 98,407,460.40/x
  3. Step 3: Cross multiply
    146,780,401.20x = 220,170,601.80 × 98,407,460.40
  4. Step 4: Simplify right side
    146,780,401.20x = 21,666,429,777,877,672
  5. Step 5: Solve for x
    x = 21,666,429,777,877,672/146,780,401.20
  6. Step 6: Final answer
    x = 147,611,190.60

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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.