Home / 117,427,024.40-162,029,835.14-67,872,021.03

Finding the Fourth Proportional to 117,427,024.40, 162,029,835.14 and 67,872,021.03

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Solution

The fourth proportional to 117,427,024.40, 162,029,835.14 and 67,872,021.03 is: 93,652,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,427,024.40 : 162,029,835.14 = 67,872,021.03 : x
  2. Step 2: Convert to fraction form
    117,427,024.40/162,029,835.14 = 67,872,021.03/x
  3. Step 3: Cross multiply
    117,427,024.40x = 162,029,835.14 × 67,872,021.03
  4. Step 4: Simplify right side
    117,427,024.40x = 10,997,292,377,770,152
  5. Step 5: Solve for x
    x = 10,997,292,377,770,152/117,427,024.40
  6. Step 6: Final answer
    x = 93,652,142.12

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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.