Home / 84,309,619.43-116,311,648.09-56,441,308.36

Finding the Fourth Proportional to 84,309,619.43, 116,311,648.09 and 56,441,308.36

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Solution

The fourth proportional to 84,309,619.43, 116,311,648.09 and 56,441,308.36 is: 77,865,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,309,619.43 : 116,311,648.09 = 56,441,308.36 : x
  2. Step 2: Convert to fraction form
    84,309,619.43/116,311,648.09 = 56,441,308.36/x
  3. Step 3: Cross multiply
    84,309,619.43x = 116,311,648.09 × 56,441,308.36
  4. Step 4: Simplify right side
    84,309,619.43x = 6,564,781,595,707,495
  5. Step 5: Solve for x
    x = 6,564,781,595,707,495/84,309,619.43
  6. Step 6: Final answer
    x = 77,865,155.13

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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.