Home / 148,846,895.85-205,434,426.78-86,157,558.87

Finding the Fourth Proportional to 148,846,895.85, 205,434,426.78 and 86,157,558.87

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Solution

The fourth proportional to 148,846,895.85, 205,434,426.78 and 86,157,558.87 is: 118,912,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,846,895.85 : 205,434,426.78 = 86,157,558.87 : x
  2. Step 2: Convert to fraction form
    148,846,895.85/205,434,426.78 = 86,157,558.87/x
  3. Step 3: Cross multiply
    148,846,895.85x = 205,434,426.78 × 86,157,558.87
  4. Step 4: Simplify right side
    148,846,895.85x = 17,699,728,719,222,556
  5. Step 5: Solve for x
    x = 17,699,728,719,222,556/148,846,895.85
  6. Step 6: Final answer
    x = 118,912,313.34

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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.