Home / 31,507,360.80-47,261,041.20-25,130,068.80

Finding the Fourth Proportional to 31,507,360.80, 47,261,041.20 and 25,130,068.80

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Solution

The fourth proportional to 31,507,360.80, 47,261,041.20 and 25,130,068.80 is: 37,695,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,360.80 : 47,261,041.20 = 25,130,068.80 : x
  2. Step 2: Convert to fraction form
    31,507,360.80/47,261,041.20 = 25,130,068.80/x
  3. Step 3: Cross multiply
    31,507,360.80x = 47,261,041.20 × 25,130,068.80
  4. Step 4: Simplify right side
    31,507,360.80x = 1,187,673,216,915,634.75
  5. Step 5: Solve for x
    x = 1,187,673,216,915,634.75/31,507,360.80
  6. Step 6: Final answer
    x = 37,695,103.20

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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.