Home / 86,361,796.40-129,613,553.40-83,527,444.40

Finding the Fourth Proportional to 86,361,796.40, 129,613,553.40 and 83,527,444.40

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Solution

The fourth proportional to 86,361,796.40, 129,613,553.40 and 83,527,444.40 is: 125,359,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,361,796.40 : 129,613,553.40 = 83,527,444.40 : x
  2. Step 2: Convert to fraction form
    86,361,796.40/129,613,553.40 = 83,527,444.40/x
  3. Step 3: Cross multiply
    86,361,796.40x = 129,613,553.40 × 83,527,444.40
  4. Step 4: Simplify right side
    86,361,796.40x = 10,826,288,875,104,932
  5. Step 5: Solve for x
    x = 10,826,288,875,104,932/86,361,796.40
  6. Step 6: Final answer
    x = 125,359,699.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.