Home / 85,282,142.79-117,689,356.26-46,123,918.41

Finding the Fourth Proportional to 85,282,142.79, 117,689,356.26 and 46,123,918.41

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Solution

The fourth proportional to 85,282,142.79, 117,689,356.26 and 46,123,918.41 is: 63,651,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,282,142.79 : 117,689,356.26 = 46,123,918.41 : x
  2. Step 2: Convert to fraction form
    85,282,142.79/117,689,356.26 = 46,123,918.41/x
  3. Step 3: Cross multiply
    85,282,142.79x = 117,689,356.26 × 46,123,918.41
  4. Step 4: Simplify right side
    85,282,142.79x = 5,428,294,265,861,663
  5. Step 5: Solve for x
    x = 5,428,294,265,861,663/85,282,142.79
  6. Step 6: Final answer
    x = 63,651,006.98

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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.