Home / 84,736,120.87-116,939,730.54-47,059,457.14

Finding the Fourth Proportional to 84,736,120.87, 116,939,730.54 and 47,059,457.14

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Solution

The fourth proportional to 84,736,120.87, 116,939,730.54 and 47,059,457.14 is: 64,944,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736,120.87 : 116,939,730.54 = 47,059,457.14 : x
  2. Step 2: Convert to fraction form
    84,736,120.87/116,939,730.54 = 47,059,457.14/x
  3. Step 3: Cross multiply
    84,736,120.87x = 116,939,730.54 × 47,059,457.14
  4. Step 4: Simplify right side
    84,736,120.87x = 5,503,120,237,310,279
  5. Step 5: Solve for x
    x = 5,503,120,237,310,279/84,736,120.87
  6. Step 6: Final answer
    x = 64,944,207.75

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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.