Home / 76,971,417,294.71-115,308,200,893.39-43,292,711,936.81

Finding the Fourth Proportional to 76,971,417,294.71, 115,308,200,893.39 and 43,292,711,936.81

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Solution

The fourth proportional to 76,971,417,294.71, 115,308,200,893.39 and 43,292,711,936.81 is: 64,855,304,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,971,417,294.71 : 115,308,200,893.39 = 43,292,711,936.81 : x
  2. Step 2: Convert to fraction form
    76,971,417,294.71/115,308,200,893.39 = 43,292,711,936.81/x
  3. Step 3: Cross multiply
    76,971,417,294.71x = 115,308,200,893.39 × 43,292,711,936.81
  4. Step 4: Simplify right side
    76,971,417,294.71x = 4,992,004,725,229,812,187,136
  5. Step 5: Solve for x
    x = 4,992,004,725,229,812,187,136/76,971,417,294.71
  6. Step 6: Final answer
    x = 64,855,304,744.05

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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.