Home / 45,084,533.76-67,670,531.47-21,757,692.72

Finding the Fourth Proportional to 45,084,533.76, 67,670,531.47 and 21,757,692.72

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Solution

The fourth proportional to 45,084,533.76, 67,670,531.47 and 21,757,692.72 is: 32,657,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,084,533.76 : 67,670,531.47 = 21,757,692.72 : x
  2. Step 2: Convert to fraction form
    45,084,533.76/67,670,531.47 = 21,757,692.72/x
  3. Step 3: Cross multiply
    45,084,533.76x = 67,670,531.47 × 21,757,692.72
  4. Step 4: Simplify right side
    45,084,533.76x = 1,472,354,629,868,955.50
  5. Step 5: Solve for x
    x = 1,472,354,629,868,955.50/45,084,533.76
  6. Step 6: Final answer
    x = 32,657,643.48

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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.