Home / 72,401,608.40-108,507,934.20-29,235,477.20

Finding the Fourth Proportional to 72,401,608.40, 108,507,934.20 and 29,235,477.20

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Solution

The fourth proportional to 72,401,608.40, 108,507,934.20 and 29,235,477.20 is: 43,815,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,401,608.40 : 108,507,934.20 = 29,235,477.20 : x
  2. Step 2: Convert to fraction form
    72,401,608.40/108,507,934.20 = 29,235,477.20/x
  3. Step 3: Cross multiply
    72,401,608.40x = 108,507,934.20 × 29,235,477.20
  4. Step 4: Simplify right side
    72,401,608.40x = 3,172,281,236,323,200
  5. Step 5: Solve for x
    x = 3,172,281,236,323,200/72,401,608.40
  6. Step 6: Final answer
    x = 43,815,065.80

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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.