Home / 136,142,555.91-187,877,926.22-74,263,169.67

Finding the Fourth Proportional to 136,142,555.91, 187,877,926.22 and 74,263,169.67

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Solution

The fourth proportional to 136,142,555.91, 187,877,926.22 and 74,263,169.67 is: 102,483,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,142,555.91 : 187,877,926.22 = 74,263,169.67 : x
  2. Step 2: Convert to fraction form
    136,142,555.91/187,877,926.22 = 74,263,169.67/x
  3. Step 3: Cross multiply
    136,142,555.91x = 187,877,926.22 × 74,263,169.67
  4. Step 4: Simplify right side
    136,142,555.91x = 13,952,410,311,752,286
  5. Step 5: Solve for x
    x = 13,952,410,311,752,286/136,142,555.91
  6. Step 6: Final answer
    x = 102,483,828.21

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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.