Home / 118,599,531.80-177,899,297.70-42,009,042.20

Finding the Fourth Proportional to 118,599,531.80, 177,899,297.70 and 42,009,042.20

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Solution

The fourth proportional to 118,599,531.80, 177,899,297.70 and 42,009,042.20 is: 63,013,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,599,531.80 : 177,899,297.70 = 42,009,042.20 : x
  2. Step 2: Convert to fraction form
    118,599,531.80/177,899,297.70 = 42,009,042.20/x
  3. Step 3: Cross multiply
    118,599,531.80x = 177,899,297.70 × 42,009,042.20
  4. Step 4: Simplify right side
    118,599,531.80x = 7,473,379,104,429,663
  5. Step 5: Solve for x
    x = 7,473,379,104,429,663/118,599,531.80
  6. Step 6: Final answer
    x = 63,013,563.30

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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.