Home / 86,252,048,372.03-129,380,708,288.27-29,591,116,585.79

Finding the Fourth Proportional to 86,252,048,372.03, 129,380,708,288.27 and 29,591,116,585.79

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Solution

The fourth proportional to 86,252,048,372.03, 129,380,708,288.27 and 29,591,116,585.79 is: 44,387,579,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,252,048,372.03 : 129,380,708,288.27 = 29,591,116,585.79 : x
  2. Step 2: Convert to fraction form
    86,252,048,372.03/129,380,708,288.27 = 29,591,116,585.79/x
  3. Step 3: Cross multiply
    86,252,048,372.03x = 129,380,708,288.27 × 29,591,116,585.79
  4. Step 4: Simplify right side
    86,252,048,372.03x = 3,828,519,622,909,637,427,200
  5. Step 5: Solve for x
    x = 3,828,519,622,909,637,427,200/86,252,048,372.03
  6. Step 6: Final answer
    x = 44,387,579,137.79

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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.