Home / 140,091,404.89-210,115,556.76-46,720,016.79

Finding the Fourth Proportional to 140,091,404.89, 210,115,556.76 and 46,720,016.79

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Solution

The fourth proportional to 140,091,404.89, 210,115,556.76 and 46,720,016.79 is: 70,072,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,091,404.89 : 210,115,556.76 = 46,720,016.79 : x
  2. Step 2: Convert to fraction form
    140,091,404.89/210,115,556.76 = 46,720,016.79/x
  3. Step 3: Cross multiply
    140,091,404.89x = 210,115,556.76 × 46,720,016.79
  4. Step 4: Simplify right side
    140,091,404.89x = 9,816,602,339,667,398
  5. Step 5: Solve for x
    x = 9,816,602,339,667,398/140,091,404.89
  6. Step 6: Final answer
    x = 70,072,838.14

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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.