Home / 76,971,417,295.21-115,308,200,894.14-43,292,711,937.32

Finding the Fourth Proportional to 76,971,417,295.21, 115,308,200,894.14 and 43,292,711,937.32

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Solution

The fourth proportional to 76,971,417,295.21, 115,308,200,894.14 and 43,292,711,937.32 is: 64,855,304,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,971,417,295.21 : 115,308,200,894.14 = 43,292,711,937.32 : x
  2. Step 2: Convert to fraction form
    76,971,417,295.21/115,308,200,894.14 = 43,292,711,937.32/x
  3. Step 3: Cross multiply
    76,971,417,295.21x = 115,308,200,894.14 × 43,292,711,937.32
  4. Step 4: Simplify right side
    76,971,417,295.21x = 4,992,004,725,320,051,589,120
  5. Step 5: Solve for x
    x = 4,992,004,725,320,051,589,120/76,971,417,295.21
  6. Step 6: Final answer
    x = 64,855,304,744.80

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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.