Home / 143,362,371,076.74-197,840,091,450.51-79,133,107,506.45

Finding the Fourth Proportional to 143,362,371,076.74, 197,840,091,450.51 and 79,133,107,506.45

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Solution

The fourth proportional to 143,362,371,076.74, 197,840,091,450.51 and 79,133,107,506.45 is: 109,203,699,047.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,362,371,076.74 : 197,840,091,450.51 = 79,133,107,506.45 : x
  2. Step 2: Convert to fraction form
    143,362,371,076.74/197,840,091,450.51 = 79,133,107,506.45/x
  3. Step 3: Cross multiply
    143,362,371,076.74x = 197,840,091,450.51 × 79,133,107,506.45
  4. Step 4: Simplify right side
    143,362,371,076.74x = 15,655,701,225,839,108,554,752
  5. Step 5: Solve for x
    x = 15,655,701,225,839,108,554,752/143,362,371,076.74
  6. Step 6: Final answer
    x = 109,203,699,047.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.