Home / 308,006,640.07-462,010,747.70-77,975,749.33

Finding the Fourth Proportional to 308,006,640.07, 462,010,747.70 and 77,975,749.33

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Solution

The fourth proportional to 308,006,640.07, 462,010,747.70 and 77,975,749.33 is: 116,963,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,006,640.07 : 462,010,747.70 = 77,975,749.33 : x
  2. Step 2: Convert to fraction form
    308,006,640.07/462,010,747.70 = 77,975,749.33/x
  3. Step 3: Cross multiply
    308,006,640.07x = 462,010,747.70 × 77,975,749.33
  4. Step 4: Simplify right side
    308,006,640.07x = 36,025,634,250,421,072
  5. Step 5: Solve for x
    x = 36,025,634,250,421,072/308,006,640.07
  6. Step 6: Final answer
    x = 116,963,823.38

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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.