Home / 72,146,191.99-99,559,077.64-39,105,731.73

Finding the Fourth Proportional to 72,146,191.99, 99,559,077.64 and 39,105,731.73

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Solution

The fourth proportional to 72,146,191.99, 99,559,077.64 and 39,105,731.73 is: 53,964,464.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,146,191.99 : 99,559,077.64 = 39,105,731.73 : x
  2. Step 2: Convert to fraction form
    72,146,191.99/99,559,077.64 = 39,105,731.73/x
  3. Step 3: Cross multiply
    72,146,191.99x = 99,559,077.64 × 39,105,731.73
  4. Step 4: Simplify right side
    72,146,191.99x = 3,893,330,581,525,747
  5. Step 5: Solve for x
    x = 3,893,330,581,525,747/72,146,191.99
  6. Step 6: Final answer
    x = 53,964,464.02

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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.