Home / 77,146,445.60-115,673,478.88-26,027,332.64

Finding the Fourth Proportional to 77,146,445.60, 115,673,478.88 and 26,027,332.64

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Solution

The fourth proportional to 77,146,445.60, 115,673,478.88 and 26,027,332.64 is: 39,025,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,146,445.60 : 115,673,478.88 = 26,027,332.64 : x
  2. Step 2: Convert to fraction form
    77,146,445.60/115,673,478.88 = 26,027,332.64/x
  3. Step 3: Cross multiply
    77,146,445.60x = 115,673,478.88 × 26,027,332.64
  4. Step 4: Simplify right side
    77,146,445.60x = 3,010,672,112,435,774.50
  5. Step 5: Solve for x
    x = 3,010,672,112,435,774.50/77,146,445.60
  6. Step 6: Final answer
    x = 39,025,415.74

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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.