Home / 72,536,370.80-108,804,556.20-56,097,129.20

Finding the Fourth Proportional to 72,536,370.80, 108,804,556.20 and 56,097,129.20

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Solution

The fourth proportional to 72,536,370.80, 108,804,556.20 and 56,097,129.20 is: 84,145,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,536,370.80 : 108,804,556.20 = 56,097,129.20 : x
  2. Step 2: Convert to fraction form
    72,536,370.80/108,804,556.20 = 56,097,129.20/x
  3. Step 3: Cross multiply
    72,536,370.80x = 108,804,556.20 × 56,097,129.20
  4. Step 4: Simplify right side
    72,536,370.80x = 6,103,623,246,700,062
  5. Step 5: Solve for x
    x = 6,103,623,246,700,062/72,536,370.80
  6. Step 6: Final answer
    x = 84,145,693.80

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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.