Home / 139,968,170.70-209,952,256.05-63,440,666.70

Finding the Fourth Proportional to 139,968,170.70, 209,952,256.05 and 63,440,666.70

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Solution

The fourth proportional to 139,968,170.70, 209,952,256.05 and 63,440,666.70 is: 95,161,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,170.70 : 209,952,256.05 = 63,440,666.70 : x
  2. Step 2: Convert to fraction form
    139,968,170.70/209,952,256.05 = 63,440,666.70/x
  3. Step 3: Cross multiply
    139,968,170.70x = 209,952,256.05 × 63,440,666.70
  4. Step 4: Simplify right side
    139,968,170.70x = 13,319,511,098,981,110
  5. Step 5: Solve for x
    x = 13,319,511,098,981,110/139,968,170.70
  6. Step 6: Final answer
    x = 95,161,000.05

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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.