Home / 52,507,429.20-78,761,143.80-45,429,541.20

Finding the Fourth Proportional to 52,507,429.20, 78,761,143.80 and 45,429,541.20

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Solution

The fourth proportional to 52,507,429.20, 78,761,143.80 and 45,429,541.20 is: 68,144,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,507,429.20 : 78,761,143.80 = 45,429,541.20 : x
  2. Step 2: Convert to fraction form
    52,507,429.20/78,761,143.80 = 45,429,541.20/x
  3. Step 3: Cross multiply
    52,507,429.20x = 78,761,143.80 × 45,429,541.20
  4. Step 4: Simplify right side
    52,507,429.20x = 3,578,082,627,221,224.50
  5. Step 5: Solve for x
    x = 3,578,082,627,221,224.50/52,507,429.20
  6. Step 6: Final answer
    x = 68,144,311.80

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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.