Home / 43,218,788.72-64,872,007.32-38,326,219.26

Finding the Fourth Proportional to 43,218,788.72, 64,872,007.32 and 38,326,219.26

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Solution

The fourth proportional to 43,218,788.72, 64,872,007.32 and 38,326,219.26 is: 57,528,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,218,788.72 : 64,872,007.32 = 38,326,219.26 : x
  2. Step 2: Convert to fraction form
    43,218,788.72/64,872,007.32 = 38,326,219.26/x
  3. Step 3: Cross multiply
    43,218,788.72x = 64,872,007.32 × 38,326,219.26
  4. Step 4: Simplify right side
    43,218,788.72x = 2,486,298,776,382,645
  5. Step 5: Solve for x
    x = 2,486,298,776,382,645/43,218,788.72
  6. Step 6: Final answer
    x = 57,528,192.03

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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.