Home / 148,045,780.99-204,316,883.07-81,966,279.42

Finding the Fourth Proportional to 148,045,780.99, 204,316,883.07 and 81,966,279.42

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Solution

The fourth proportional to 148,045,780.99, 204,316,883.07 and 81,966,279.42 is: 113,121,053.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,045,780.99 : 204,316,883.07 = 81,966,279.42 : x
  2. Step 2: Convert to fraction form
    148,045,780.99/204,316,883.07 = 81,966,279.42/x
  3. Step 3: Cross multiply
    148,045,780.99x = 204,316,883.07 × 81,966,279.42
  4. Step 4: Simplify right side
    148,045,780.99x = 16,747,094,727,797,166
  5. Step 5: Solve for x
    x = 16,747,094,727,797,166/148,045,780.99
  6. Step 6: Final answer
    x = 113,121,053.61

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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.