Home / 178,678,816.49-267,786,506.49-80,237,834.93

Finding the Fourth Proportional to 178,678,816.49, 267,786,506.49 and 80,237,834.93

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Solution

The fourth proportional to 178,678,816.49, 267,786,506.49 and 80,237,834.93 is: 120,252,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,678,816.49 : 267,786,506.49 = 80,237,834.93 : x
  2. Step 2: Convert to fraction form
    178,678,816.49/267,786,506.49 = 80,237,834.93/x
  3. Step 3: Cross multiply
    178,678,816.49x = 267,786,506.49 × 80,237,834.93
  4. Step 4: Simplify right side
    178,678,816.49x = 21,486,609,502,887,060
  5. Step 5: Solve for x
    x = 21,486,609,502,887,060/178,678,816.49
  6. Step 6: Final answer
    x = 120,252,696.57

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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.