Home / 124,462,332.88-171,753,517.80-68,706,556.60

Finding the Fourth Proportional to 124,462,332.88, 171,753,517.80 and 68,706,556.60

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Solution

The fourth proportional to 124,462,332.88, 171,753,517.80 and 68,706,556.60 is: 94,812,563.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,462,332.88 : 171,753,517.80 = 68,706,556.60 : x
  2. Step 2: Convert to fraction form
    124,462,332.88/171,753,517.80 = 68,706,556.60/x
  3. Step 3: Cross multiply
    124,462,332.88x = 171,753,517.80 × 68,706,556.60
  4. Step 4: Simplify right side
    124,462,332.88x = 11,800,592,791,974,808
  5. Step 5: Solve for x
    x = 11,800,592,791,974,808/124,462,332.88
  6. Step 6: Final answer
    x = 94,812,563.12

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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.