Home / 53,436,494.88-73,742,505.12-28,990,208.88

Finding the Fourth Proportional to 53,436,494.88, 73,742,505.12 and 28,990,208.88

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Solution

The fourth proportional to 53,436,494.88, 73,742,505.12 and 28,990,208.88 is: 40,006,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,436,494.88 : 73,742,505.12 = 28,990,208.88 : x
  2. Step 2: Convert to fraction form
    53,436,494.88/73,742,505.12 = 28,990,208.88/x
  3. Step 3: Cross multiply
    53,436,494.88x = 73,742,505.12 × 28,990,208.88
  4. Step 4: Simplify right side
    53,436,494.88x = 2,137,810,626,763,269.50
  5. Step 5: Solve for x
    x = 2,137,810,626,763,269.50/53,436,494.88
  6. Step 6: Final answer
    x = 40,006,565.39

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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.