Home / 146,789,371.20-220,184,056.80-98,416,430.40

Finding the Fourth Proportional to 146,789,371.20, 220,184,056.80 and 98,416,430.40

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Solution

The fourth proportional to 146,789,371.20, 220,184,056.80 and 98,416,430.40 is: 147,624,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,789,371.20 : 220,184,056.80 = 98,416,430.40 : x
  2. Step 2: Convert to fraction form
    146,789,371.20/220,184,056.80 = 98,416,430.40/x
  3. Step 3: Cross multiply
    146,789,371.20x = 220,184,056.80 × 98,416,430.40
  4. Step 4: Simplify right side
    146,789,371.20x = 21,669,728,901,246,848
  5. Step 5: Solve for x
    x = 21,669,728,901,246,848/146,789,371.20
  6. Step 6: Final answer
    x = 147,624,645.60

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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.