Home / 129,583,350,561.12-194,162,765,524.52-69,013,320,010.32

Finding the Fourth Proportional to 129,583,350,561.12, 194,162,765,524.52 and 69,013,320,010.32

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Solution

The fourth proportional to 129,583,350,561.12, 194,162,765,524.52 and 69,013,320,010.32 is: 103,406,934,711.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,583,350,561.12 : 194,162,765,524.52 = 69,013,320,010.32 : x
  2. Step 2: Convert to fraction form
    129,583,350,561.12/194,162,765,524.52 = 69,013,320,010.32/x
  3. Step 3: Cross multiply
    129,583,350,561.12x = 194,162,765,524.52 × 69,013,320,010.32
  4. Step 4: Simplify right side
    129,583,350,561.12x = 13,399,817,071,231,456,247,808
  5. Step 5: Solve for x
    x = 13,399,817,071,231,456,247,808/129,583,350,561.12
  6. Step 6: Final answer
    x = 103,406,934,711.97

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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.