Home / 105,095,830.44-143,771,838-104,653,178.40

Finding the Fourth Proportional to 105,095,830.44, 143,771,838 and 104,653,178.40

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Solution

The fourth proportional to 105,095,830.44, 143,771,838 and 104,653,178.40 is: 143,166,286.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,095,830.44 : 143,771,838 = 104,653,178.40 : x
  2. Step 2: Convert to fraction form
    105,095,830.44/143,771,838 = 104,653,178.40/x
  3. Step 3: Cross multiply
    105,095,830.44x = 143,771,838 × 104,653,178.40
  4. Step 4: Simplify right side
    105,095,830.44x = 15,046,179,811,109,900
  5. Step 5: Solve for x
    x = 15,046,179,811,109,900/105,095,830.44
  6. Step 6: Final answer
    x = 143,166,286.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.