Home / 72,146,195.36-99,559,082.30-39,105,735.10

Finding the Fourth Proportional to 72,146,195.36, 99,559,082.30 and 39,105,735.10

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Solution

The fourth proportional to 72,146,195.36, 99,559,082.30 and 39,105,735.10 is: 53,964,468.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,146,195.36 : 99,559,082.30 = 39,105,735.10 : x
  2. Step 2: Convert to fraction form
    72,146,195.36/99,559,082.30 = 39,105,735.10/x
  3. Step 3: Cross multiply
    72,146,195.36x = 99,559,082.30 × 39,105,735.10
  4. Step 4: Simplify right side
    72,146,195.36x = 3,893,331,099,448,457.50
  5. Step 5: Solve for x
    x = 3,893,331,099,448,457.50/72,146,195.36
  6. Step 6: Final answer
    x = 53,964,468.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.