Home / 143,362,371,147.30-197,840,091,547.90-79,133,107,577.04

Finding the Fourth Proportional to 143,362,371,147.30, 197,840,091,547.90 and 79,133,107,577.04

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Solution

The fourth proportional to 143,362,371,147.30, 197,840,091,547.90 and 79,133,107,577.04 is: 109,203,699,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,362,371,147.30 : 197,840,091,547.90 = 79,133,107,577.04 : x
  2. Step 2: Convert to fraction form
    143,362,371,147.30/197,840,091,547.90 = 79,133,107,577.04/x
  3. Step 3: Cross multiply
    143,362,371,147.30x = 197,840,091,547.90 × 79,133,107,577.04
  4. Step 4: Simplify right side
    143,362,371,147.30x = 15,655,701,247,511,410,769,920
  5. Step 5: Solve for x
    x = 15,655,701,247,511,410,769,920/143,362,371,147.30
  6. Step 6: Final answer
    x = 109,203,699,145.19

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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.