Home / 139,555,709.84-209,333,550.90-37,317,090.20

Finding the Fourth Proportional to 139,555,709.84, 209,333,550.90 and 37,317,090.20

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Solution

The fourth proportional to 139,555,709.84, 209,333,550.90 and 37,317,090.20 is: 55,975,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,555,709.84 : 209,333,550.90 = 37,317,090.20 : x
  2. Step 2: Convert to fraction form
    139,555,709.84/209,333,550.90 = 37,317,090.20/x
  3. Step 3: Cross multiply
    139,555,709.84x = 209,333,550.90 × 37,317,090.20
  4. Step 4: Simplify right side
    139,555,709.84x = 7,811,719,000,821,592
  5. Step 5: Solve for x
    x = 7,811,719,000,821,592/139,555,709.84
  6. Step 6: Final answer
    x = 55,975,631.59

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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.