Home / 81,566,633.90-112,572,704.32-48,973,685.42

Finding the Fourth Proportional to 81,566,633.90, 112,572,704.32 and 48,973,685.42

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Solution

The fourth proportional to 81,566,633.90, 112,572,704.32 and 48,973,685.42 is: 67,590,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,566,633.90 : 112,572,704.32 = 48,973,685.42 : x
  2. Step 2: Convert to fraction form
    81,566,633.90/112,572,704.32 = 48,973,685.42/x
  3. Step 3: Cross multiply
    81,566,633.90x = 112,572,704.32 × 48,973,685.42
  4. Step 4: Simplify right side
    81,566,633.90x = 5,513,100,207,561,057
  5. Step 5: Solve for x
    x = 5,513,100,207,561,057/81,566,633.90
  6. Step 6: Final answer
    x = 67,590,140.04

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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.