Home / 192,881,473-266,176,536.42-105,966,943.72

Finding the Fourth Proportional to 192,881,473, 266,176,536.42 and 105,966,943.72

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Solution

The fourth proportional to 192,881,473, 266,176,536.42 and 105,966,943.72 is: 146,234,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,881,473 : 266,176,536.42 = 105,966,943.72 : x
  2. Step 2: Convert to fraction form
    192,881,473/266,176,536.42 = 105,966,943.72/x
  3. Step 3: Cross multiply
    192,881,473x = 266,176,536.42 × 105,966,943.72
  4. Step 4: Simplify right side
    192,881,473x = 28,205,914,054,402,668
  5. Step 5: Solve for x
    x = 28,205,914,054,402,668/192,881,473
  6. Step 6: Final answer
    x = 146,234,439.29

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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.