Home / 142,080,692.40-213,027,726.60-55,767,092.40

Finding the Fourth Proportional to 142,080,692.40, 213,027,726.60 and 55,767,092.40

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Solution

The fourth proportional to 142,080,692.40, 213,027,726.60 and 55,767,092.40 is: 83,614,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,080,692.40 : 213,027,726.60 = 55,767,092.40 : x
  2. Step 2: Convert to fraction form
    142,080,692.40/213,027,726.60 = 55,767,092.40/x
  3. Step 3: Cross multiply
    142,080,692.40x = 213,027,726.60 × 55,767,092.40
  4. Step 4: Simplify right side
    142,080,692.40x = 11,879,936,913,064,138
  5. Step 5: Solve for x
    x = 11,879,936,913,064,138/142,080,692.40
  6. Step 6: Final answer
    x = 83,614,013.36

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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.