Home / 213,696,933.60-320,545,400.40-52,138,869.60

Finding the Fourth Proportional to 213,696,933.60, 320,545,400.40 and 52,138,869.60

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Solution

The fourth proportional to 213,696,933.60, 320,545,400.40 and 52,138,869.60 is: 78,208,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,696,933.60 : 320,545,400.40 = 52,138,869.60 : x
  2. Step 2: Convert to fraction form
    213,696,933.60/320,545,400.40 = 52,138,869.60/x
  3. Step 3: Cross multiply
    213,696,933.60x = 320,545,400.40 × 52,138,869.60
  4. Step 4: Simplify right side
    213,696,933.60x = 16,712,874,832,335,388
  5. Step 5: Solve for x
    x = 16,712,874,832,335,388/213,696,933.60
  6. Step 6: Final answer
    x = 78,208,304.40

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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.