Home / 144,533,330.08-199,456,186.96-78,453,785.44

Finding the Fourth Proportional to 144,533,330.08, 199,456,186.96 and 78,453,785.44

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Solution

The fourth proportional to 144,533,330.08, 199,456,186.96 and 78,453,785.44 is: 108,266,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,533,330.08 : 199,456,186.96 = 78,453,785.44 : x
  2. Step 2: Convert to fraction form
    144,533,330.08/199,456,186.96 = 78,453,785.44/x
  3. Step 3: Cross multiply
    144,533,330.08x = 199,456,186.96 × 78,453,785.44
  4. Step 4: Simplify right side
    144,533,330.08x = 15,648,092,896,440,366
  5. Step 5: Solve for x
    x = 15,648,092,896,440,366/144,533,330.08
  6. Step 6: Final answer
    x = 108,266,327.83

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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.