Home / 135,812,554,329.46-187,415,868,311.79-74,011,811,654.47

Finding the Fourth Proportional to 135,812,554,329.46, 187,415,868,311.79 and 74,011,811,654.47

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Solution

The fourth proportional to 135,812,554,329.46, 187,415,868,311.79 and 74,011,811,654.47 is: 102,133,326,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,812,554,329.46 : 187,415,868,311.79 = 74,011,811,654.47 : x
  2. Step 2: Convert to fraction form
    135,812,554,329.46/187,415,868,311.79 = 74,011,811,654.47/x
  3. Step 3: Cross multiply
    135,812,554,329.46x = 187,415,868,311.79 × 74,011,811,654.47
  4. Step 4: Simplify right side
    135,812,554,329.46x = 13,870,987,946,551,154,835,456
  5. Step 5: Solve for x
    x = 13,870,987,946,551,154,835,456/135,812,554,329.46
  6. Step 6: Final answer
    x = 102,133,326,444.20

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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.