Home / 136,855,650.67-188,859,234.20-74,130,566.11

Finding the Fourth Proportional to 136,855,650.67, 188,859,234.20 and 74,130,566.11

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Solution

The fourth proportional to 136,855,650.67, 188,859,234.20 and 74,130,566.11 is: 102,299,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,855,650.67 : 188,859,234.20 = 74,130,566.11 : x
  2. Step 2: Convert to fraction form
    136,855,650.67/188,859,234.20 = 74,130,566.11/x
  3. Step 3: Cross multiply
    136,855,650.67x = 188,859,234.20 × 74,130,566.11
  4. Step 4: Simplify right side
    136,855,650.67x = 14,000,241,946,347,072
  5. Step 5: Solve for x
    x = 14,000,241,946,347,072/136,855,650.67
  6. Step 6: Final answer
    x = 102,299,334.21

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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.