Home / 85,713,346.17-118,282,405.80-50,433,436.37

Finding the Fourth Proportional to 85,713,346.17, 118,282,405.80 and 50,433,436.37

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Solution

The fourth proportional to 85,713,346.17, 118,282,405.80 and 50,433,436.37 is: 69,596,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,713,346.17 : 118,282,405.80 = 50,433,436.37 : x
  2. Step 2: Convert to fraction form
    85,713,346.17/118,282,405.80 = 50,433,436.37/x
  3. Step 3: Cross multiply
    85,713,346.17x = 118,282,405.80 × 50,433,436.37
  4. Step 4: Simplify right side
    85,713,346.17x = 5,965,388,187,026,609
  5. Step 5: Solve for x
    x = 5,965,388,187,026,609/85,713,346.17
  6. Step 6: Final answer
    x = 69,596,958.39

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1.5x scale

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.