Home / 345,279,018.04-517,569,472.14-148,670,648.64

Finding the Fourth Proportional to 345,279,018.04, 517,569,472.14 and 148,670,648.64

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Solution

The fourth proportional to 345,279,018.04, 517,569,472.14 and 148,670,648.64 is: 222,855,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,279,018.04 : 517,569,472.14 = 148,670,648.64 : x
  2. Step 2: Convert to fraction form
    345,279,018.04/517,569,472.14 = 148,670,648.64/x
  3. Step 3: Cross multiply
    345,279,018.04x = 517,569,472.14 × 148,670,648.64
  4. Step 4: Simplify right side
    345,279,018.04x = 76,947,389,139,316,192
  5. Step 5: Solve for x
    x = 76,947,389,139,316,192/345,279,018.04
  6. Step 6: Final answer
    x = 222,855,676.48

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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.