Home / 146,488,178.70-202,061,734.20-86,907,292.52

Finding the Fourth Proportional to 146,488,178.70, 202,061,734.20 and 86,907,292.52

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Solution

The fourth proportional to 146,488,178.70, 202,061,734.20 and 86,907,292.52 is: 119,877,510.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,488,178.70 : 202,061,734.20 = 86,907,292.52 : x
  2. Step 2: Convert to fraction form
    146,488,178.70/202,061,734.20 = 86,907,292.52/x
  3. Step 3: Cross multiply
    146,488,178.70x = 202,061,734.20 × 86,907,292.52
  4. Step 4: Simplify right side
    146,488,178.70x = 17,560,638,241,217,886
  5. Step 5: Solve for x
    x = 17,560,638,241,217,886/146,488,178.70
  6. Step 6: Final answer
    x = 119,877,510.92

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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.