Home / 138,811,383.94-191,555,599.80-76,086,140.82

Finding the Fourth Proportional to 138,811,383.94, 191,555,599.80 and 76,086,140.82

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Solution

The fourth proportional to 138,811,383.94, 191,555,599.80 and 76,086,140.82 is: 104,996,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,811,383.94 : 191,555,599.80 = 76,086,140.82 : x
  2. Step 2: Convert to fraction form
    138,811,383.94/191,555,599.80 = 76,086,140.82/x
  3. Step 3: Cross multiply
    138,811,383.94x = 191,555,599.80 × 76,086,140.82
  4. Step 4: Simplify right side
    138,811,383.94x = 14,574,726,341,458,490
  5. Step 5: Solve for x
    x = 14,574,726,341,458,490/138,811,383.94
  6. Step 6: Final answer
    x = 104,996,621.52

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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.