Home / 142,621,547.44-213,870,024.12-50,474,660.14

Finding the Fourth Proportional to 142,621,547.44, 213,870,024.12 and 50,474,660.14

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Solution

The fourth proportional to 142,621,547.44, 213,870,024.12 and 50,474,660.14 is: 75,689,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,621,547.44 : 213,870,024.12 = 50,474,660.14 : x
  2. Step 2: Convert to fraction form
    142,621,547.44/213,870,024.12 = 50,474,660.14/x
  3. Step 3: Cross multiply
    142,621,547.44x = 213,870,024.12 × 50,474,660.14
  4. Step 4: Simplify right side
    142,621,547.44x = 10,795,016,781,590,602
  5. Step 5: Solve for x
    x = 10,795,016,781,590,602/142,621,547.44
  6. Step 6: Final answer
    x = 75,689,942.90

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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.