Home / 53,152,110.30-79,728,165.45-28,902,654.30

Finding the Fourth Proportional to 53,152,110.30, 79,728,165.45 and 28,902,654.30

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Solution

The fourth proportional to 53,152,110.30, 79,728,165.45 and 28,902,654.30 is: 43,353,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,152,110.30 : 79,728,165.45 = 28,902,654.30 : x
  2. Step 2: Convert to fraction form
    53,152,110.30/79,728,165.45 = 28,902,654.30/x
  3. Step 3: Cross multiply
    53,152,110.30x = 79,728,165.45 × 28,902,654.30
  4. Step 4: Simplify right side
    53,152,110.30x = 2,304,355,603,974,554
  5. Step 5: Solve for x
    x = 2,304,355,603,974,554/53,152,110.30
  6. Step 6: Final answer
    x = 43,353,981.45

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Double scale
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Similar ratio
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1.5x scale

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.