Home / 168,552,005.70-252,844,848.45-45,732,272.70

Finding the Fourth Proportional to 168,552,005.70, 252,844,848.45 and 45,732,272.70

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Solution

The fourth proportional to 168,552,005.70, 252,844,848.45 and 45,732,272.70 is: 68,602,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,552,005.70 : 252,844,848.45 = 45,732,272.70 : x
  2. Step 2: Convert to fraction form
    168,552,005.70/252,844,848.45 = 45,732,272.70/x
  3. Step 3: Cross multiply
    168,552,005.70x = 252,844,848.45 × 45,732,272.70
  4. Step 4: Simplify right side
    168,552,005.70x = 11,563,169,560,105,572
  5. Step 5: Solve for x
    x = 11,563,169,560,105,572/168,552,005.70
  6. Step 6: Final answer
    x = 68,602,978.13

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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.