Home / 135,070,399.94-186,376,539.03-76,311,625.77

Finding the Fourth Proportional to 135,070,399.94, 186,376,539.03 and 76,311,625.77

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Solution

The fourth proportional to 135,070,399.94, 186,376,539.03 and 76,311,625.77 is: 105,298,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,070,399.94 : 186,376,539.03 = 76,311,625.77 : x
  2. Step 2: Convert to fraction form
    135,070,399.94/186,376,539.03 = 76,311,625.77/x
  3. Step 3: Cross multiply
    135,070,399.94x = 186,376,539.03 × 76,311,625.77
  4. Step 4: Simplify right side
    135,070,399.94x = 14,222,696,698,765,158
  5. Step 5: Solve for x
    x = 14,222,696,698,765,158/135,070,399.94
  6. Step 6: Final answer
    x = 105,298,397.76

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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.