Home / 72,723,257.26-109,102,206.93-27,285,445.42

Finding the Fourth Proportional to 72,723,257.26, 109,102,206.93 and 27,285,445.42

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Solution

The fourth proportional to 72,723,257.26, 109,102,206.93 and 27,285,445.42 is: 40,934,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,723,257.26 : 109,102,206.93 = 27,285,445.42 : x
  2. Step 2: Convert to fraction form
    72,723,257.26/109,102,206.93 = 27,285,445.42/x
  3. Step 3: Cross multiply
    72,723,257.26x = 109,102,206.93 × 27,285,445.42
  4. Step 4: Simplify right side
    72,723,257.26x = 2,976,902,312,390,061
  5. Step 5: Solve for x
    x = 2,976,902,312,390,061/72,723,257.26
  6. Step 6: Final answer
    x = 40,934,666.91

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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.