Home / 142,530,477.80-213,796,428.48-50,414,300.78

Finding the Fourth Proportional to 142,530,477.80, 213,796,428.48 and 50,414,300.78

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Solution

The fourth proportional to 142,530,477.80, 213,796,428.48 and 50,414,300.78 is: 75,621,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,530,477.80 : 213,796,428.48 = 50,414,300.78 : x
  2. Step 2: Convert to fraction form
    142,530,477.80/213,796,428.48 = 50,414,300.78/x
  3. Step 3: Cross multiply
    142,530,477.80x = 213,796,428.48 × 50,414,300.78
  4. Step 4: Simplify right side
    142,530,477.80x = 10,778,397,450,011,496
  5. Step 5: Solve for x
    x = 10,778,397,450,011,496/142,530,477.80
  6. Step 6: Final answer
    x = 75,621,702.93

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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.