Home / 135,812,554,279.79-187,415,868,243.38-74,011,811,604.80

Finding the Fourth Proportional to 135,812,554,279.79, 187,415,868,243.38 and 74,011,811,604.80

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Solution

The fourth proportional to 135,812,554,279.79, 187,415,868,243.38 and 74,011,811,604.80 is: 102,133,326,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,812,554,279.79 : 187,415,868,243.38 = 74,011,811,604.80 : x
  2. Step 2: Convert to fraction form
    135,812,554,279.79/187,415,868,243.38 = 74,011,811,604.80/x
  3. Step 3: Cross multiply
    135,812,554,279.79x = 187,415,868,243.38 × 74,011,811,604.80
  4. Step 4: Simplify right side
    135,812,554,279.79x = 13,870,987,932,178,122,276,864
  5. Step 5: Solve for x
    x = 13,870,987,932,178,122,276,864/135,812,554,279.79
  6. Step 6: Final answer
    x = 102,133,326,375.72

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1.5x scale

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.