Home / 135,812,554,328.46-187,415,868,310.41-74,011,811,653.47

Finding the Fourth Proportional to 135,812,554,328.46, 187,415,868,310.41 and 74,011,811,653.47

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Solution

The fourth proportional to 135,812,554,328.46, 187,415,868,310.41 and 74,011,811,653.47 is: 102,133,326,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,812,554,328.46 : 187,415,868,310.41 = 74,011,811,653.47 : x
  2. Step 2: Convert to fraction form
    135,812,554,328.46/187,415,868,310.41 = 74,011,811,653.47/x
  3. Step 3: Cross multiply
    135,812,554,328.46x = 187,415,868,310.41 × 74,011,811,653.47
  4. Step 4: Simplify right side
    135,812,554,328.46x = 13,870,987,946,261,603,155,968
  5. Step 5: Solve for x
    x = 13,870,987,946,261,603,155,968/135,812,554,328.46
  6. Step 6: Final answer
    x = 102,133,326,442.82

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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.