Home / 230,202,012.80-345,303,019.20-178,805,763.20

Finding the Fourth Proportional to 230,202,012.80, 345,303,019.20 and 178,805,763.20

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Solution

The fourth proportional to 230,202,012.80, 345,303,019.20 and 178,805,763.20 is: 268,208,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,202,012.80 : 345,303,019.20 = 178,805,763.20 : x
  2. Step 2: Convert to fraction form
    230,202,012.80/345,303,019.20 = 178,805,763.20/x
  3. Step 3: Cross multiply
    230,202,012.80x = 345,303,019.20 × 178,805,763.20
  4. Step 4: Simplify right side
    230,202,012.80x = 61,742,169,883,320,248
  5. Step 5: Solve for x
    x = 61,742,169,883,320,248/230,202,012.80
  6. Step 6: Final answer
    x = 268,208,644.80

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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.