Home / 240,584,818.29-331,950,145.37-136,162,889.58

Finding the Fourth Proportional to 240,584,818.29, 331,950,145.37 and 136,162,889.58

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Solution

The fourth proportional to 240,584,818.29, 331,950,145.37 and 136,162,889.58 is: 187,872,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,584,818.29 : 331,950,145.37 = 136,162,889.58 : x
  2. Step 2: Convert to fraction form
    240,584,818.29/331,950,145.37 = 136,162,889.58/x
  3. Step 3: Cross multiply
    240,584,818.29x = 331,950,145.37 × 136,162,889.58
  4. Step 4: Simplify right side
    240,584,818.29x = 45,199,290,989,159,360
  5. Step 5: Solve for x
    x = 45,199,290,989,159,360/240,584,818.29
  6. Step 6: Final answer
    x = 187,872,581.94

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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.