Home / 113,958,356.54-157,262,670.99-61,747,351.02

Finding the Fourth Proportional to 113,958,356.54, 157,262,670.99 and 61,747,351.02

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Solution

The fourth proportional to 113,958,356.54, 157,262,670.99 and 61,747,351.02 is: 85,211,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,958,356.54 : 157,262,670.99 = 61,747,351.02 : x
  2. Step 2: Convert to fraction form
    113,958,356.54/157,262,670.99 = 61,747,351.02/x
  3. Step 3: Cross multiply
    113,958,356.54x = 157,262,670.99 × 61,747,351.02
  4. Step 4: Simplify right side
    113,958,356.54x = 9,710,553,347,962,302
  5. Step 5: Solve for x
    x = 9,710,553,347,962,302/113,958,356.54
  6. Step 6: Final answer
    x = 85,211,419.71

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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.