Home / 109,038,863.20-163,558,294.80-39,951,533.20

Finding the Fourth Proportional to 109,038,863.20, 163,558,294.80 and 39,951,533.20

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Solution

The fourth proportional to 109,038,863.20, 163,558,294.80 and 39,951,533.20 is: 59,927,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,038,863.20 : 163,558,294.80 = 39,951,533.20 : x
  2. Step 2: Convert to fraction form
    109,038,863.20/163,558,294.80 = 39,951,533.20/x
  3. Step 3: Cross multiply
    109,038,863.20x = 163,558,294.80 × 39,951,533.20
  4. Step 4: Simplify right side
    109,038,863.20x = 6,534,404,644,837,588
  5. Step 5: Solve for x
    x = 6,534,404,644,837,588/109,038,863.20
  6. Step 6: Final answer
    x = 59,927,299.80

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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.