Home / 31,499,101.80-47,248,652.70-25,121,809.80

Finding the Fourth Proportional to 31,499,101.80, 47,248,652.70 and 25,121,809.80

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Solution

The fourth proportional to 31,499,101.80, 47,248,652.70 and 25,121,809.80 is: 37,682,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,499,101.80 : 47,248,652.70 = 25,121,809.80 : x
  2. Step 2: Convert to fraction form
    31,499,101.80/47,248,652.70 = 25,121,809.80/x
  3. Step 3: Cross multiply
    31,499,101.80x = 47,248,652.70 × 25,121,809.80
  4. Step 4: Simplify right side
    31,499,101.80x = 1,186,971,666,435,656.50
  5. Step 5: Solve for x
    x = 1,186,971,666,435,656.50/31,499,101.80
  6. Step 6: Final answer
    x = 37,682,714.70

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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.