Home / 78,533,588.88-108,375,030.41-43,254,679.28

Finding the Fourth Proportional to 78,533,588.88, 108,375,030.41 and 43,254,679.28

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Solution

The fourth proportional to 78,533,588.88, 108,375,030.41 and 43,254,679.28 is: 59,690,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,533,588.88 : 108,375,030.41 = 43,254,679.28 : x
  2. Step 2: Convert to fraction form
    78,533,588.88/108,375,030.41 = 43,254,679.28/x
  3. Step 3: Cross multiply
    78,533,588.88x = 108,375,030.41 × 43,254,679.28
  4. Step 4: Simplify right side
    78,533,588.88x = 4,687,727,181,586,648
  5. Step 5: Solve for x
    x = 4,687,727,181,586,648/78,533,588.88
  6. Step 6: Final answer
    x = 59,690,729.13

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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.