Home / 52,160,947.80-78,269,415.30-21,871,872.60

Finding the Fourth Proportional to 52,160,947.80, 78,269,415.30 and 21,871,872.60

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Solution

The fourth proportional to 52,160,947.80, 78,269,415.30 and 21,871,872.60 is: 32,819,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,160,947.80 : 78,269,415.30 = 21,871,872.60 : x
  2. Step 2: Convert to fraction form
    52,160,947.80/78,269,415.30 = 21,871,872.60/x
  3. Step 3: Cross multiply
    52,160,947.80x = 78,269,415.30 × 21,871,872.60
  4. Step 4: Simplify right side
    52,160,947.80x = 1,711,898,679,918,090.75
  5. Step 5: Solve for x
    x = 1,711,898,679,918,090.75/52,160,947.80
  6. Step 6: Final answer
    x = 32,819,547.04

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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.