Home / 86,381,411.84-119,207,765.12-51,577,143.68

Finding the Fourth Proportional to 86,381,411.84, 119,207,765.12 and 51,577,143.68

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Solution

The fourth proportional to 86,381,411.84, 119,207,765.12 and 51,577,143.68 is: 71,177,304.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,381,411.84 : 119,207,765.12 = 51,577,143.68 : x
  2. Step 2: Convert to fraction form
    86,381,411.84/119,207,765.12 = 51,577,143.68/x
  3. Step 3: Cross multiply
    86,381,411.84x = 119,207,765.12 × 51,577,143.68
  4. Step 4: Simplify right side
    86,381,411.84x = 6,148,396,029,365,933
  5. Step 5: Solve for x
    x = 6,148,396,029,365,933/86,381,411.84
  6. Step 6: Final answer
    x = 71,177,304.22

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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.