Home / 153,013,968.36-229,519,808.40-43,839,231.84

Finding the Fourth Proportional to 153,013,968.36, 229,519,808.40 and 43,839,231.84

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Solution

The fourth proportional to 153,013,968.36, 229,519,808.40 and 43,839,231.84 is: 65,758,519.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,013,968.36 : 229,519,808.40 = 43,839,231.84 : x
  2. Step 2: Convert to fraction form
    153,013,968.36/229,519,808.40 = 43,839,231.84/x
  3. Step 3: Cross multiply
    153,013,968.36x = 229,519,808.40 × 43,839,231.84
  4. Step 4: Simplify right side
    153,013,968.36x = 10,061,972,092,319,980
  5. Step 5: Solve for x
    x = 10,061,972,092,319,980/153,013,968.36
  6. Step 6: Final answer
    x = 65,758,519.96

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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.