Home / 213,545,110.80-320,317,666.20-190,870,294.80

Finding the Fourth Proportional to 213,545,110.80, 320,317,666.20 and 190,870,294.80

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Solution

The fourth proportional to 213,545,110.80, 320,317,666.20 and 190,870,294.80 is: 286,305,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,545,110.80 : 320,317,666.20 = 190,870,294.80 : x
  2. Step 2: Convert to fraction form
    213,545,110.80/320,317,666.20 = 190,870,294.80/x
  3. Step 3: Cross multiply
    213,545,110.80x = 320,317,666.20 × 190,870,294.80
  4. Step 4: Simplify right side
    213,545,110.80x = 61,139,127,377,242,000
  5. Step 5: Solve for x
    x = 61,139,127,377,242,000/213,545,110.80
  6. Step 6: Final answer
    x = 286,305,442.20

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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.