Home / 42,120,173.80-63,085,782.30-34,561,901.80

Finding the Fourth Proportional to 42,120,173.80, 63,085,782.30 and 34,561,901.80

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Solution

The fourth proportional to 42,120,173.80, 63,085,782.30 and 34,561,901.80 is: 51,765,328.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,120,173.80 : 63,085,782.30 = 34,561,901.80 : x
  2. Step 2: Convert to fraction form
    42,120,173.80/63,085,782.30 = 34,561,901.80/x
  3. Step 3: Cross multiply
    42,120,173.80x = 63,085,782.30 × 34,561,901.80
  4. Step 4: Simplify right side
    42,120,173.80x = 2,180,364,612,828,777.75
  5. Step 5: Solve for x
    x = 2,180,364,612,828,777.75/42,120,173.80
  6. Step 6: Final answer
    x = 51,765,328.02

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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.