Home / 169,485,709.40-254,228,564.10-159,282,042.20

Finding the Fourth Proportional to 169,485,709.40, 254,228,564.10 and 159,282,042.20

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Solution

The fourth proportional to 169,485,709.40, 254,228,564.10 and 159,282,042.20 is: 238,923,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,485,709.40 : 254,228,564.10 = 159,282,042.20 : x
  2. Step 2: Convert to fraction form
    169,485,709.40/254,228,564.10 = 159,282,042.20/x
  3. Step 3: Cross multiply
    169,485,709.40x = 254,228,564.10 × 159,282,042.20
  4. Step 4: Simplify right side
    169,485,709.40x = 40,494,044,875,421,600
  5. Step 5: Solve for x
    x = 40,494,044,875,421,600/169,485,709.40
  6. Step 6: Final answer
    x = 238,923,063.30

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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.