Home / 153,312,209.20-229,968,313.80-123,079,121.20

Finding the Fourth Proportional to 153,312,209.20, 229,968,313.80 and 123,079,121.20

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Solution

The fourth proportional to 153,312,209.20, 229,968,313.80 and 123,079,121.20 is: 184,618,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,312,209.20 : 229,968,313.80 = 123,079,121.20 : x
  2. Step 2: Convert to fraction form
    153,312,209.20/229,968,313.80 = 123,079,121.20/x
  3. Step 3: Cross multiply
    153,312,209.20x = 229,968,313.80 × 123,079,121.20
  4. Step 4: Simplify right side
    153,312,209.20x = 28,304,297,966,349,836
  5. Step 5: Solve for x
    x = 28,304,297,966,349,836/153,312,209.20
  6. Step 6: Final answer
    x = 184,618,681.80

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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.