Home / 78,319,176,051.09-117,478,617,434.73-24,540,428,648.37

Finding the Fourth Proportional to 78,319,176,051.09, 117,478,617,434.73 and 24,540,428,648.37

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Solution

The fourth proportional to 78,319,176,051.09, 117,478,617,434.73 and 24,540,428,648.37 is: 36,810,597,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,319,176,051.09 : 117,478,617,434.73 = 24,540,428,648.37 : x
  2. Step 2: Convert to fraction form
    78,319,176,051.09/117,478,617,434.73 = 24,540,428,648.37/x
  3. Step 3: Cross multiply
    78,319,176,051.09x = 117,478,617,434.73 × 24,540,428,648.37
  4. Step 4: Simplify right side
    78,319,176,051.09x = 2,882,975,628,866,147,057,664
  5. Step 5: Solve for x
    x = 2,882,975,628,866,147,057,664/78,319,176,051.09
  6. Step 6: Final answer
    x = 36,810,597,023.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.