Home / 76,746,942.90-115,180,111.71-53,567,293.14

Finding the Fourth Proportional to 76,746,942.90, 115,180,111.71 and 53,567,293.14

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Solution

The fourth proportional to 76,746,942.90, 115,180,111.71 and 53,567,293.14 is: 80,392,606.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,746,942.90 : 115,180,111.71 = 53,567,293.14 : x
  2. Step 2: Convert to fraction form
    76,746,942.90/115,180,111.71 = 53,567,293.14/x
  3. Step 3: Cross multiply
    76,746,942.90x = 115,180,111.71 × 53,567,293.14
  4. Step 4: Simplify right side
    76,746,942.90x = 6,169,886,807,867,516
  5. Step 5: Solve for x
    x = 6,169,886,807,867,516/76,746,942.90
  6. Step 6: Final answer
    x = 80,392,606.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.