Home / 86,557,335.76-119,449,160.20-47,401,551.12

Finding the Fourth Proportional to 86,557,335.76, 119,449,160.20 and 47,401,551.12

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Solution

The fourth proportional to 86,557,335.76, 119,449,160.20 and 47,401,551.12 is: 65,414,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,557,335.76 : 119,449,160.20 = 47,401,551.12 : x
  2. Step 2: Convert to fraction form
    86,557,335.76/119,449,160.20 = 47,401,551.12/x
  3. Step 3: Cross multiply
    86,557,335.76x = 119,449,160.20 × 47,401,551.12
  4. Step 4: Simplify right side
    86,557,335.76x = 5,662,075,473,461,369
  5. Step 5: Solve for x
    x = 5,662,075,473,461,369/86,557,335.76
  6. Step 6: Final answer
    x = 65,414,160.73

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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.