Home / 77,709,312.15-116,562,367.86-25,897,676.73

Finding the Fourth Proportional to 77,709,312.15, 116,562,367.86 and 25,897,676.73

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Solution

The fourth proportional to 77,709,312.15, 116,562,367.86 and 25,897,676.73 is: 38,845,981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,709,312.15 : 116,562,367.86 = 25,897,676.73 : x
  2. Step 2: Convert to fraction form
    77,709,312.15/116,562,367.86 = 25,897,676.73/x
  3. Step 3: Cross multiply
    77,709,312.15x = 116,562,367.86 × 25,897,676.73
  4. Step 4: Simplify right side
    77,709,312.15x = 3,018,694,521,721,622
  5. Step 5: Solve for x
    x = 3,018,694,521,721,622/77,709,312.15
  6. Step 6: Final answer
    x = 38,845,981.75

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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.