Home / 63,953,913.40-88,285,222.38-40,780,189.24

Finding the Fourth Proportional to 63,953,913.40, 88,285,222.38 and 40,780,189.24

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Solution

The fourth proportional to 63,953,913.40, 88,285,222.38 and 40,780,189.24 is: 56,295,039.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,953,913.40 : 88,285,222.38 = 40,780,189.24 : x
  2. Step 2: Convert to fraction form
    63,953,913.40/88,285,222.38 = 40,780,189.24/x
  3. Step 3: Cross multiply
    63,953,913.40x = 88,285,222.38 × 40,780,189.24
  4. Step 4: Simplify right side
    63,953,913.40x = 3,600,288,075,751,883
  5. Step 5: Solve for x
    x = 3,600,288,075,751,883/63,953,913.40
  6. Step 6: Final answer
    x = 56,295,039.42

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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.