Home / 77,201,784,313.79-115,736,353,298.28-26,830,673,824.72

Finding the Fourth Proportional to 77,201,784,313.79, 115,736,353,298.28 and 26,830,673,824.72

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Solution

The fourth proportional to 77,201,784,313.79, 115,736,353,298.28 and 26,830,673,824.72 is: 40,222,960,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,201,784,313.79 : 115,736,353,298.28 = 26,830,673,824.72 : x
  2. Step 2: Convert to fraction form
    77,201,784,313.79/115,736,353,298.28 = 26,830,673,824.72/x
  3. Step 3: Cross multiply
    77,201,784,313.79x = 115,736,353,298.28 × 26,830,673,824.72
  4. Step 4: Simplify right side
    77,201,784,313.79x = 3,105,284,345,009,170,022,400
  5. Step 5: Solve for x
    x = 3,105,284,345,009,170,022,400/77,201,784,313.79
  6. Step 6: Final answer
    x = 40,222,960,811.21

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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.