Home / 154,127,894.96-231,243,235.80-102,515,968.88

Finding the Fourth Proportional to 154,127,894.96, 231,243,235.80 and 102,515,968.88

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Solution

The fourth proportional to 154,127,894.96, 231,243,235.80 and 102,515,968.88 is: 153,808,136.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,127,894.96 : 231,243,235.80 = 102,515,968.88 : x
  2. Step 2: Convert to fraction form
    154,127,894.96/231,243,235.80 = 102,515,968.88/x
  3. Step 3: Cross multiply
    154,127,894.96x = 231,243,235.80 × 102,515,968.88
  4. Step 4: Simplify right side
    154,127,894.96x = 23,706,124,364,983,304
  5. Step 5: Solve for x
    x = 23,706,124,364,983,304/154,127,894.96
  6. Step 6: Final answer
    x = 153,808,136.88

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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.