Home / 165,687,610.68-248,531,403.60-157,402,667.16

Finding the Fourth Proportional to 165,687,610.68, 248,531,403.60 and 157,402,667.16

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Solution

The fourth proportional to 165,687,610.68, 248,531,403.60 and 157,402,667.16 is: 236,103,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,687,610.68 : 248,531,403.60 = 157,402,667.16 : x
  2. Step 2: Convert to fraction form
    165,687,610.68/248,531,403.60 = 157,402,667.16/x
  3. Step 3: Cross multiply
    165,687,610.68x = 248,531,403.60 × 157,402,667.16
  4. Step 4: Simplify right side
    165,687,610.68x = 39,119,505,799,658,424
  5. Step 5: Solve for x
    x = 39,119,505,799,658,424/165,687,610.68
  6. Step 6: Final answer
    x = 236,103,988.94

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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.