Home / 77,166,700.58-115,725,672.15-25,342,763.78

Finding the Fourth Proportional to 77,166,700.58, 115,725,672.15 and 25,342,763.78

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Solution

The fourth proportional to 77,166,700.58, 115,725,672.15 and 25,342,763.78 is: 38,006,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,166,700.58 : 115,725,672.15 = 25,342,763.78 : x
  2. Step 2: Convert to fraction form
    77,166,700.58/115,725,672.15 = 25,342,763.78/x
  3. Step 3: Cross multiply
    77,166,700.58x = 115,725,672.15 × 25,342,763.78
  4. Step 4: Simplify right side
    77,166,700.58x = 2,932,808,372,579,175
  5. Step 5: Solve for x
    x = 2,932,808,372,579,175/77,166,700.58
  6. Step 6: Final answer
    x = 38,006,139.31

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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.