Home / 72,536,383.80-108,804,575.70-56,097,142.20

Finding the Fourth Proportional to 72,536,383.80, 108,804,575.70 and 56,097,142.20

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Solution

The fourth proportional to 72,536,383.80, 108,804,575.70 and 56,097,142.20 is: 84,145,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,536,383.80 : 108,804,575.70 = 56,097,142.20 : x
  2. Step 2: Convert to fraction form
    72,536,383.80/108,804,575.70 = 56,097,142.20/x
  3. Step 3: Cross multiply
    72,536,383.80x = 108,804,575.70 × 56,097,142.20
  4. Step 4: Simplify right side
    72,536,383.80x = 6,103,625,755,053,565
  5. Step 5: Solve for x
    x = 6,103,625,755,053,565/72,536,383.80
  6. Step 6: Final answer
    x = 84,145,713.30

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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.