Home / 146,790,701.20-220,186,051.80-98,417,760.40

Finding the Fourth Proportional to 146,790,701.20, 220,186,051.80 and 98,417,760.40

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Solution

The fourth proportional to 146,790,701.20, 220,186,051.80 and 98,417,760.40 is: 147,626,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,790,701.20 : 220,186,051.80 = 98,417,760.40 : x
  2. Step 2: Convert to fraction form
    146,790,701.20/220,186,051.80 = 98,417,760.40/x
  3. Step 3: Cross multiply
    146,790,701.20x = 220,186,051.80 × 98,417,760.40
  4. Step 4: Simplify right side
    146,790,701.20x = 21,670,218,089,474,392
  5. Step 5: Solve for x
    x = 21,670,218,089,474,392/146,790,701.20
  6. Step 6: Final answer
    x = 147,626,640.60

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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.