Home / 21,163,667,681.03-31,746,189,082.41-6,239,581,754.62

Finding the Fourth Proportional to 21,163,667,681.03, 31,746,189,082.41 and 6,239,581,754.62

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Solution

The fourth proportional to 21,163,667,681.03, 31,746,189,082.41 and 6,239,581,754.62 is: 9,359,575,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,163,667,681.03 : 31,746,189,082.41 = 6,239,581,754.62 : x
  2. Step 2: Convert to fraction form
    21,163,667,681.03/31,746,189,082.41 = 6,239,581,754.62/x
  3. Step 3: Cross multiply
    21,163,667,681.03x = 31,746,189,082.41 × 6,239,581,754.62
  4. Step 4: Simplify right side
    21,163,667,681.03x = 198,082,942,177,474,445,312
  5. Step 5: Solve for x
    x = 198,082,942,177,474,445,312/21,163,667,681.03
  6. Step 6: Final answer
    x = 9,359,575,342.18

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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.