Home / 86,164,887.30-129,310,316.55-60,655,719.30

Finding the Fourth Proportional to 86,164,887.30, 129,310,316.55 and 60,655,719.30

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Solution

The fourth proportional to 86,164,887.30, 129,310,316.55 and 60,655,719.30 is: 91,027,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,164,887.30 : 129,310,316.55 = 60,655,719.30 : x
  2. Step 2: Convert to fraction form
    86,164,887.30/129,310,316.55 = 60,655,719.30/x
  3. Step 3: Cross multiply
    86,164,887.30x = 129,310,316.55 × 60,655,719.30
  4. Step 4: Simplify right side
    86,164,887.30x = 7,843,410,263,250,944
  5. Step 5: Solve for x
    x = 7,843,410,263,250,944/86,164,887.30
  6. Step 6: Final answer
    x = 91,027,917.62

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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.