Home / 72,146,192.40-99,559,078.22-39,105,732.14

Finding the Fourth Proportional to 72,146,192.40, 99,559,078.22 and 39,105,732.14

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Solution

The fourth proportional to 72,146,192.40, 99,559,078.22 and 39,105,732.14 is: 53,964,464.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,146,192.40 : 99,559,078.22 = 39,105,732.14 : x
  2. Step 2: Convert to fraction form
    72,146,192.40/99,559,078.22 = 39,105,732.14/x
  3. Step 3: Cross multiply
    72,146,192.40x = 99,559,078.22 × 39,105,732.14
  4. Step 4: Simplify right side
    72,146,192.40x = 3,893,330,645,266,771
  5. Step 5: Solve for x
    x = 3,893,330,645,266,771/72,146,192.40
  6. Step 6: Final answer
    x = 53,964,464.59

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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.