Home / 71,006,521.52-97,984,882.58-39,646,556.01

Finding the Fourth Proportional to 71,006,521.52, 97,984,882.58 and 39,646,556.01

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Solution

The fourth proportional to 71,006,521.52, 97,984,882.58 and 39,646,556.01 is: 54,709,948.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,006,521.52 : 97,984,882.58 = 39,646,556.01 : x
  2. Step 2: Convert to fraction form
    71,006,521.52/97,984,882.58 = 39,646,556.01/x
  3. Step 3: Cross multiply
    71,006,521.52x = 97,984,882.58 × 39,646,556.01
  4. Step 4: Simplify right side
    71,006,521.52x = 3,884,763,135,143,010.50
  5. Step 5: Solve for x
    x = 3,884,763,135,143,010.50/71,006,521.52
  6. Step 6: Final answer
    x = 54,709,948.50

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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.