Home / 84,959,839.23-117,253,643.63-49,688,428.11

Finding the Fourth Proportional to 84,959,839.23, 117,253,643.63 and 49,688,428.11

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Solution

The fourth proportional to 84,959,839.23, 117,253,643.63 and 49,688,428.11 is: 68,575,332.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,959,839.23 : 117,253,643.63 = 49,688,428.11 : x
  2. Step 2: Convert to fraction form
    84,959,839.23/117,253,643.63 = 49,688,428.11/x
  3. Step 3: Cross multiply
    84,959,839.23x = 117,253,643.63 × 49,688,428.11
  4. Step 4: Simplify right side
    84,959,839.23x = 5,826,149,241,896,372
  5. Step 5: Solve for x
    x = 5,826,149,241,896,372/84,959,839.23
  6. Step 6: Final answer
    x = 68,575,332.71

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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.