Home / 78,581,643.16-108,445,934.82-43,774,324.24

Finding the Fourth Proportional to 78,581,643.16, 108,445,934.82 and 43,774,324.24

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Solution

The fourth proportional to 78,581,643.16, 108,445,934.82 and 43,774,324.24 is: 60,410,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,581,643.16 : 108,445,934.82 = 43,774,324.24 : x
  2. Step 2: Convert to fraction form
    78,581,643.16/108,445,934.82 = 43,774,324.24/x
  3. Step 3: Cross multiply
    78,581,643.16x = 108,445,934.82 × 43,774,324.24
  4. Step 4: Simplify right side
    78,581,643.16x = 4,747,147,513,320,586
  5. Step 5: Solve for x
    x = 4,747,147,513,320,586/78,581,643.16
  6. Step 6: Final answer
    x = 60,410,387.50

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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.