Home / 165,464,845.02-247,874,379.35-128,902,036.32

Finding the Fourth Proportional to 165,464,845.02, 247,874,379.35 and 128,902,036.32

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Solution

The fourth proportional to 165,464,845.02, 247,874,379.35 and 128,902,036.32 is: 193,101,514.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,464,845.02 : 247,874,379.35 = 128,902,036.32 : x
  2. Step 2: Convert to fraction form
    165,464,845.02/247,874,379.35 = 128,902,036.32/x
  3. Step 3: Cross multiply
    165,464,845.02x = 247,874,379.35 × 128,902,036.32
  4. Step 4: Simplify right side
    165,464,845.02x = 31,951,512,249,126,644
  5. Step 5: Solve for x
    x = 31,951,512,249,126,644/165,464,845.02
  6. Step 6: Final answer
    x = 193,101,514.98

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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.