Home / 320,616,569.13-442,451,723.00-173,938,853.13

Finding the Fourth Proportional to 320,616,569.13, 442,451,723.00 and 173,938,853.13

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Solution

The fourth proportional to 320,616,569.13, 442,451,723.00 and 173,938,853.13 is: 240,036,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,616,569.13 : 442,451,723.00 = 173,938,853.13 : x
  2. Step 2: Convert to fraction form
    320,616,569.13/442,451,723.00 = 173,938,853.13/x
  3. Step 3: Cross multiply
    320,616,569.13x = 442,451,723.00 × 173,938,853.13
  4. Step 4: Simplify right side
    320,616,569.13x = 76,959,545,263,142,752
  5. Step 5: Solve for x
    x = 76,959,545,263,142,752/320,616,569.13
  6. Step 6: Final answer
    x = 240,036,082.58

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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.