Home / 177,533,641.50-245,003,991.57-99,217,192.69

Finding the Fourth Proportional to 177,533,641.50, 245,003,991.57 and 99,217,192.69

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Solution

The fourth proportional to 177,533,641.50, 245,003,991.57 and 99,217,192.69 is: 136,923,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,533,641.50 : 245,003,991.57 = 99,217,192.69 : x
  2. Step 2: Convert to fraction form
    177,533,641.50/245,003,991.57 = 99,217,192.69/x
  3. Step 3: Cross multiply
    177,533,641.50x = 245,003,991.57 × 99,217,192.69
  4. Step 4: Simplify right side
    177,533,641.50x = 24,308,608,241,419,824
  5. Step 5: Solve for x
    x = 24,308,608,241,419,824/177,533,641.50
  6. Step 6: Final answer
    x = 136,923,954.45

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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.