Home / 56,552,342.70-84,828,514.05-42,203,435.70

Finding the Fourth Proportional to 56,552,342.70, 84,828,514.05 and 42,203,435.70

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Solution

The fourth proportional to 56,552,342.70, 84,828,514.05 and 42,203,435.70 is: 63,305,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,552,342.70 : 84,828,514.05 = 42,203,435.70 : x
  2. Step 2: Convert to fraction form
    56,552,342.70/84,828,514.05 = 42,203,435.70/x
  3. Step 3: Cross multiply
    56,552,342.70x = 84,828,514.05 × 42,203,435.70
  4. Step 4: Simplify right side
    56,552,342.70x = 3,580,054,738,235,721.50
  5. Step 5: Solve for x
    x = 3,580,054,738,235,721.50/56,552,342.70
  6. Step 6: Final answer
    x = 63,305,153.55

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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.