Home / 72,401,606.40-108,507,931.20-29,235,475.20

Finding the Fourth Proportional to 72,401,606.40, 108,507,931.20 and 29,235,475.20

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Solution

The fourth proportional to 72,401,606.40, 108,507,931.20 and 29,235,475.20 is: 43,815,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,401,606.40 : 108,507,931.20 = 29,235,475.20 : x
  2. Step 2: Convert to fraction form
    72,401,606.40/108,507,931.20 = 29,235,475.20/x
  3. Step 3: Cross multiply
    72,401,606.40x = 108,507,931.20 × 29,235,475.20
  4. Step 4: Simplify right side
    72,401,606.40x = 3,172,280,931,600,906
  5. Step 5: Solve for x
    x = 3,172,280,931,600,906/72,401,606.40
  6. Step 6: Final answer
    x = 43,815,062.81

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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.