Home / 51,781,340.63-77,649,129.48-19,410,535.32

Finding the Fourth Proportional to 51,781,340.63, 77,649,129.48 and 19,410,535.32

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Solution

The fourth proportional to 51,781,340.63, 77,649,129.48 and 19,410,535.32 is: 29,107,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,781,340.63 : 77,649,129.48 = 19,410,535.32 : x
  2. Step 2: Convert to fraction form
    51,781,340.63/77,649,129.48 = 19,410,535.32/x
  3. Step 3: Cross multiply
    51,781,340.63x = 77,649,129.48 × 19,410,535.32
  4. Step 4: Simplify right side
    51,781,340.63x = 1,507,211,170,338,793.25
  5. Step 5: Solve for x
    x = 1,507,211,170,338,793.25/51,781,340.63
  6. Step 6: Final answer
    x = 29,107,225.73

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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.