Home / 105,192,609.70-157,788,914.55-101,161,531.30

Finding the Fourth Proportional to 105,192,609.70, 157,788,914.55 and 101,161,531.30

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Solution

The fourth proportional to 105,192,609.70, 157,788,914.55 and 101,161,531.30 is: 151,742,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,192,609.70 : 157,788,914.55 = 101,161,531.30 : x
  2. Step 2: Convert to fraction form
    105,192,609.70/157,788,914.55 = 101,161,531.30/x
  3. Step 3: Cross multiply
    105,192,609.70x = 157,788,914.55 × 101,161,531.30
  4. Step 4: Simplify right side
    105,192,609.70x = 15,962,168,218,042,852
  5. Step 5: Solve for x
    x = 15,962,168,218,042,852/105,192,609.70
  6. Step 6: Final answer
    x = 151,742,296.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.