Home / 54,317,329.61-74,959,887.56-31,116,941.06

Finding the Fourth Proportional to 54,317,329.61, 74,959,887.56 and 31,116,941.06

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Solution

The fourth proportional to 54,317,329.61, 74,959,887.56 and 31,116,941.06 is: 42,942,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,317,329.61 : 74,959,887.56 = 31,116,941.06 : x
  2. Step 2: Convert to fraction form
    54,317,329.61/74,959,887.56 = 31,116,941.06/x
  3. Step 3: Cross multiply
    54,317,329.61x = 74,959,887.56 × 31,116,941.06
  4. Step 4: Simplify right side
    54,317,329.61x = 2,332,522,402,538,363.50
  5. Step 5: Solve for x
    x = 2,332,522,402,538,363.50/54,317,329.61
  6. Step 6: Final answer
    x = 42,942,508.76

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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.