Home / 53,890,000.60-80,835,000.90-19,806,917.80

Finding the Fourth Proportional to 53,890,000.60, 80,835,000.90 and 19,806,917.80

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Solution

The fourth proportional to 53,890,000.60, 80,835,000.90 and 19,806,917.80 is: 29,710,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890,000.60 : 80,835,000.90 = 19,806,917.80 : x
  2. Step 2: Convert to fraction form
    53,890,000.60/80,835,000.90 = 19,806,917.80/x
  3. Step 3: Cross multiply
    53,890,000.60x = 80,835,000.90 × 19,806,917.80
  4. Step 4: Simplify right side
    53,890,000.60x = 1,601,092,218,189,226.25
  5. Step 5: Solve for x
    x = 1,601,092,218,189,226.25/53,890,000.60
  6. Step 6: Final answer
    x = 29,710,376.70

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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.