Home / 209,953,804.70-314,930,707.05-200,387,866.70

Finding the Fourth Proportional to 209,953,804.70, 314,930,707.05 and 200,387,866.70

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Solution

The fourth proportional to 209,953,804.70, 314,930,707.05 and 200,387,866.70 is: 300,581,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,804.70 : 314,930,707.05 = 200,387,866.70 : x
  2. Step 2: Convert to fraction form
    209,953,804.70/314,930,707.05 = 200,387,866.70/x
  3. Step 3: Cross multiply
    209,953,804.70x = 314,930,707.05 × 200,387,866.70
  4. Step 4: Simplify right side
    209,953,804.70x = 63,108,292,544,072,152
  5. Step 5: Solve for x
    x = 63,108,292,544,072,152/209,953,804.70
  6. Step 6: Final answer
    x = 300,581,800.05

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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.