Home / 119,815,106,391.37-165,350,044,313.07-66,351,078,909.37

Finding the Fourth Proportional to 119,815,106,391.37, 165,350,044,313.07 and 66,351,078,909.37

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Solution

The fourth proportional to 119,815,106,391.37, 165,350,044,313.07 and 66,351,078,909.37 is: 91,567,367,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815,106,391.37 : 165,350,044,313.07 = 66,351,078,909.37 : x
  2. Step 2: Convert to fraction form
    119,815,106,391.37/165,350,044,313.07 = 66,351,078,909.37/x
  3. Step 3: Cross multiply
    119,815,106,391.37x = 165,350,044,313.07 × 66,351,078,909.37
  4. Step 4: Simplify right side
    119,815,106,391.37x = 10,971,153,837,883,507,343,360
  5. Step 5: Solve for x
    x = 10,971,153,837,883,507,343,360/119,815,106,391.37
  6. Step 6: Final answer
    x = 91,567,367,156.92

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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.