Home / 52,503,840.20-78,732,140.70-20,144,988.20

Finding the Fourth Proportional to 52,503,840.20, 78,732,140.70 and 20,144,988.20

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Solution

The fourth proportional to 52,503,840.20, 78,732,140.70 and 20,144,988.20 is: 30,208,419.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,503,840.20 : 78,732,140.70 = 20,144,988.20 : x
  2. Step 2: Convert to fraction form
    52,503,840.20/78,732,140.70 = 20,144,988.20/x
  3. Step 3: Cross multiply
    52,503,840.20x = 78,732,140.70 × 20,144,988.20
  4. Step 4: Simplify right side
    52,503,840.20x = 1,586,058,045,362,239.75
  5. Step 5: Solve for x
    x = 1,586,058,045,362,239.75/52,503,840.20
  6. Step 6: Final answer
    x = 30,208,419.79

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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.