Home / 119,908,188.90-165,404,231.69-72,190,225.89

Finding the Fourth Proportional to 119,908,188.90, 165,404,231.69 and 72,190,225.89

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Solution

The fourth proportional to 119,908,188.90, 165,404,231.69 and 72,190,225.89 is: 99,580,929.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,908,188.90 : 165,404,231.69 = 72,190,225.89 : x
  2. Step 2: Convert to fraction form
    119,908,188.90/165,404,231.69 = 72,190,225.89/x
  3. Step 3: Cross multiply
    119,908,188.90x = 165,404,231.69 × 72,190,225.89
  4. Step 4: Simplify right side
    119,908,188.90x = 11,940,568,848,502,046
  5. Step 5: Solve for x
    x = 11,940,568,848,502,046/119,908,188.90
  6. Step 6: Final answer
    x = 99,580,929.03

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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.