Home / 155,654,225.07-214,802,877.68-85,090,142.19

Finding the Fourth Proportional to 155,654,225.07, 214,802,877.68 and 85,090,142.19

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Solution

The fourth proportional to 155,654,225.07, 214,802,877.68 and 85,090,142.19 is: 117,424,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,654,225.07 : 214,802,877.68 = 85,090,142.19 : x
  2. Step 2: Convert to fraction form
    155,654,225.07/214,802,877.68 = 85,090,142.19/x
  3. Step 3: Cross multiply
    155,654,225.07x = 214,802,877.68 × 85,090,142.19
  4. Step 4: Simplify right side
    155,654,225.07x = 18,277,607,404,186,928
  5. Step 5: Solve for x
    x = 18,277,607,404,186,928/155,654,225.07
  6. Step 6: Final answer
    x = 117,424,421.96

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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.