Home / 206,115,739.79-309,173,412.84-52,761,550.19

Finding the Fourth Proportional to 206,115,739.79, 309,173,412.84 and 52,761,550.19

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Solution

The fourth proportional to 206,115,739.79, 309,173,412.84 and 52,761,550.19 is: 79,142,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,115,739.79 : 309,173,412.84 = 52,761,550.19 : x
  2. Step 2: Convert to fraction form
    206,115,739.79/309,173,412.84 = 52,761,550.19/x
  3. Step 3: Cross multiply
    206,115,739.79x = 309,173,412.84 × 52,761,550.19
  4. Step 4: Simplify right side
    206,115,739.79x = 16,312,468,537,623,240
  5. Step 5: Solve for x
    x = 16,312,468,537,623,240/206,115,739.79
  6. Step 6: Final answer
    x = 79,142,274.89

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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.