Home / 70,124,868.25-96,770,461.85-39,185,291.77

Finding the Fourth Proportional to 70,124,868.25, 96,770,461.85 and 39,185,291.77

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Solution

The fourth proportional to 70,124,868.25, 96,770,461.85 and 39,185,291.77 is: 54,074,665.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,124,868.25 : 96,770,461.85 = 39,185,291.77 : x
  2. Step 2: Convert to fraction form
    70,124,868.25/96,770,461.85 = 39,185,291.77/x
  3. Step 3: Cross multiply
    70,124,868.25x = 96,770,461.85 × 39,185,291.77
  4. Step 4: Simplify right side
    70,124,868.25x = 3,791,978,782,309,904
  5. Step 5: Solve for x
    x = 3,791,978,782,309,904/70,124,868.25
  6. Step 6: Final answer
    x = 54,074,665.34

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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.