Home / 134,695,009.20-202,042,513.80-102,409,968.45

Finding the Fourth Proportional to 134,695,009.20, 202,042,513.80 and 102,409,968.45

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Solution

The fourth proportional to 134,695,009.20, 202,042,513.80 and 102,409,968.45 is: 153,614,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,695,009.20 : 202,042,513.80 = 102,409,968.45 : x
  2. Step 2: Convert to fraction form
    134,695,009.20/202,042,513.80 = 102,409,968.45/x
  3. Step 3: Cross multiply
    134,695,009.20x = 202,042,513.80 × 102,409,968.45
  4. Step 4: Simplify right side
    134,695,009.20x = 20,691,167,463,816,692
  5. Step 5: Solve for x
    x = 20,691,167,463,816,692/134,695,009.20
  6. Step 6: Final answer
    x = 153,614,952.68

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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.