Home / 60,819,464.80-91,230,130.32-20,430,298.72

Finding the Fourth Proportional to 60,819,464.80, 91,230,130.32 and 20,430,298.72

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Solution

The fourth proportional to 60,819,464.80, 91,230,130.32 and 20,430,298.72 is: 30,645,761.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,819,464.80 : 91,230,130.32 = 20,430,298.72 : x
  2. Step 2: Convert to fraction form
    60,819,464.80/91,230,130.32 = 20,430,298.72/x
  3. Step 3: Cross multiply
    60,819,464.80x = 91,230,130.32 × 20,430,298.72
  4. Step 4: Simplify right side
    60,819,464.80x = 1,863,858,814,702,129
  5. Step 5: Solve for x
    x = 1,863,858,814,702,129/60,819,464.80
  6. Step 6: Final answer
    x = 30,645,761.53

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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.