Home / 108,331,029.60-162,496,544.40-65,178,020.40

Finding the Fourth Proportional to 108,331,029.60, 162,496,544.40 and 65,178,020.40

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Solution

The fourth proportional to 108,331,029.60, 162,496,544.40 and 65,178,020.40 is: 97,767,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,331,029.60 : 162,496,544.40 = 65,178,020.40 : x
  2. Step 2: Convert to fraction form
    108,331,029.60/162,496,544.40 = 65,178,020.40/x
  3. Step 3: Cross multiply
    108,331,029.60x = 162,496,544.40 × 65,178,020.40
  4. Step 4: Simplify right side
    108,331,029.60x = 10,591,203,085,832,706
  5. Step 5: Solve for x
    x = 10,591,203,085,832,706/108,331,029.60
  6. Step 6: Final answer
    x = 97,767,030.60

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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.