Home / 119,815,106,391.87-165,350,044,313.76-66,351,078,909.87

Finding the Fourth Proportional to 119,815,106,391.87, 165,350,044,313.76 and 66,351,078,909.87

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Solution

The fourth proportional to 119,815,106,391.87, 165,350,044,313.76 and 66,351,078,909.87 is: 91,567,367,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815,106,391.87 : 165,350,044,313.76 = 66,351,078,909.87 : x
  2. Step 2: Convert to fraction form
    119,815,106,391.87/165,350,044,313.76 = 66,351,078,909.87/x
  3. Step 3: Cross multiply
    119,815,106,391.87x = 165,350,044,313.76 × 66,351,078,909.87
  4. Step 4: Simplify right side
    119,815,106,391.87x = 10,971,153,838,012,792,569,856
  5. Step 5: Solve for x
    x = 10,971,153,838,012,792,569,856/119,815,106,391.87
  6. Step 6: Final answer
    x = 91,567,367,157.61

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1.5x scale

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.