Home / 72,664,859.01-100,279,926.96-39,626,916.24

Finding the Fourth Proportional to 72,664,859.01, 100,279,926.96 and 39,626,916.24

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Solution

The fourth proportional to 72,664,859.01, 100,279,926.96 and 39,626,916.24 is: 54,686,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,664,859.01 : 100,279,926.96 = 39,626,916.24 : x
  2. Step 2: Convert to fraction form
    72,664,859.01/100,279,926.96 = 39,626,916.24/x
  3. Step 3: Cross multiply
    72,664,859.01x = 100,279,926.96 × 39,626,916.24
  4. Step 4: Simplify right side
    72,664,859.01x = 3,973,784,266,197,238
  5. Step 5: Solve for x
    x = 3,973,784,266,197,238/72,664,859.01
  6. Step 6: Final answer
    x = 54,686,464.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.