Home / 101,566,868.40-140,205,166.68-68,571,793.68

Finding the Fourth Proportional to 101,566,868.40, 140,205,166.68 and 68,571,793.68

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Solution

The fourth proportional to 101,566,868.40, 140,205,166.68 and 68,571,793.68 is: 94,658,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,566,868.40 : 140,205,166.68 = 68,571,793.68 : x
  2. Step 2: Convert to fraction form
    101,566,868.40/140,205,166.68 = 68,571,793.68/x
  3. Step 3: Cross multiply
    101,566,868.40x = 140,205,166.68 × 68,571,793.68
  4. Step 4: Simplify right side
    101,566,868.40x = 9,614,119,762,450,972
  5. Step 5: Solve for x
    x = 9,614,119,762,450,972/101,566,868.40
  6. Step 6: Final answer
    x = 94,658,030.85

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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.