Home / 146,790,081.20-220,185,121.80-98,417,140.40

Finding the Fourth Proportional to 146,790,081.20, 220,185,121.80 and 98,417,140.40

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Solution

The fourth proportional to 146,790,081.20, 220,185,121.80 and 98,417,140.40 is: 147,625,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,790,081.20 : 220,185,121.80 = 98,417,140.40 : x
  2. Step 2: Convert to fraction form
    146,790,081.20/220,185,121.80 = 98,417,140.40/x
  3. Step 3: Cross multiply
    146,790,081.20x = 220,185,121.80 × 98,417,140.40
  4. Step 4: Simplify right side
    146,790,081.20x = 21,669,990,046,181,704
  5. Step 5: Solve for x
    x = 21,669,990,046,181,704/146,790,081.20
  6. Step 6: Final answer
    x = 147,625,710.60

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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.