Home / 86,785,330.08-130,170,023.38-29,278,099.47

Finding the Fourth Proportional to 86,785,330.08, 130,170,023.38 and 29,278,099.47

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Solution

The fourth proportional to 86,785,330.08, 130,170,023.38 and 29,278,099.47 is: 43,914,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,785,330.08 : 130,170,023.38 = 29,278,099.47 : x
  2. Step 2: Convert to fraction form
    86,785,330.08/130,170,023.38 = 29,278,099.47/x
  3. Step 3: Cross multiply
    86,785,330.08x = 130,170,023.38 × 29,278,099.47
  4. Step 4: Simplify right side
    86,785,330.08x = 3,811,130,892,159,558.50
  5. Step 5: Solve for x
    x = 3,811,130,892,159,558.50/86,785,330.08
  6. Step 6: Final answer
    x = 43,914,459.84

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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.