Home / 69,871,798.50-96,423,464.25-40,520,533.38

Finding the Fourth Proportional to 69,871,798.50, 96,423,464.25 and 40,520,533.38

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Solution

The fourth proportional to 69,871,798.50, 96,423,464.25 and 40,520,533.38 is: 55,918,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871,798.50 : 96,423,464.25 = 40,520,533.38 : x
  2. Step 2: Convert to fraction form
    69,871,798.50/96,423,464.25 = 40,520,533.38/x
  3. Step 3: Cross multiply
    69,871,798.50x = 96,423,464.25 × 40,520,533.38
  4. Step 4: Simplify right side
    69,871,798.50x = 3,907,130,201,757,362
  5. Step 5: Solve for x
    x = 3,907,130,201,757,362/69,871,798.50
  6. Step 6: Final answer
    x = 55,918,557.78

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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.