Home / 72,401,190.30-108,601,785.45-64,465,004.70

Finding the Fourth Proportional to 72,401,190.30, 108,601,785.45 and 64,465,004.70

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Solution

The fourth proportional to 72,401,190.30, 108,601,785.45 and 64,465,004.70 is: 96,697,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,401,190.30 : 108,601,785.45 = 64,465,004.70 : x
  2. Step 2: Convert to fraction form
    72,401,190.30/108,601,785.45 = 64,465,004.70/x
  3. Step 3: Cross multiply
    72,401,190.30x = 108,601,785.45 × 64,465,004.70
  4. Step 4: Simplify right side
    72,401,190.30x = 7,001,014,609,462,642
  5. Step 5: Solve for x
    x = 7,001,014,609,462,642/72,401,190.30
  6. Step 6: Final answer
    x = 96,697,507.05

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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.