Home / 190,251,828.60-262,531,488.06-105,481,209.48

Finding the Fourth Proportional to 190,251,828.60, 262,531,488.06 and 105,481,209.48

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Solution

The fourth proportional to 190,251,828.60, 262,531,488.06 and 105,481,209.48 is: 145,555,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,251,828.60 : 262,531,488.06 = 105,481,209.48 : x
  2. Step 2: Convert to fraction form
    190,251,828.60/262,531,488.06 = 105,481,209.48/x
  3. Step 3: Cross multiply
    190,251,828.60x = 262,531,488.06 × 105,481,209.48
  4. Step 4: Simplify right side
    190,251,828.60x = 27,692,138,887,152,980
  5. Step 5: Solve for x
    x = 27,692,138,887,152,980/190,251,828.60
  6. Step 6: Final answer
    x = 145,555,178.58

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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.