Home / 77,966,290,898.12-107,594,113,174.82-43,204,691,981.63

Finding the Fourth Proportional to 77,966,290,898.12, 107,594,113,174.82 and 43,204,691,981.63

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Solution

The fourth proportional to 77,966,290,898.12, 107,594,113,174.82 and 43,204,691,981.63 is: 59,622,825,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,966,290,898.12 : 107,594,113,174.82 = 43,204,691,981.63 : x
  2. Step 2: Convert to fraction form
    77,966,290,898.12/107,594,113,174.82 = 43,204,691,981.63/x
  3. Step 3: Cross multiply
    77,966,290,898.12x = 107,594,113,174.82 × 43,204,691,981.63
  4. Step 4: Simplify right side
    77,966,290,898.12x = 4,648,570,518,754,198,814,720
  5. Step 5: Solve for x
    x = 4,648,570,518,754,198,814,720/77,966,290,898.12
  6. Step 6: Final answer
    x = 59,622,825,008.17

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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.