Home / 108,436,155.60-162,780,204.60-65,354,005.20

Finding the Fourth Proportional to 108,436,155.60, 162,780,204.60 and 65,354,005.20

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Solution

The fourth proportional to 108,436,155.60, 162,780,204.60 and 65,354,005.20 is: 98,106,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,436,155.60 : 162,780,204.60 = 65,354,005.20 : x
  2. Step 2: Convert to fraction form
    108,436,155.60/162,780,204.60 = 65,354,005.20/x
  3. Step 3: Cross multiply
    108,436,155.60x = 162,780,204.60 × 65,354,005.20
  4. Step 4: Simplify right side
    108,436,155.60x = 10,638,338,337,885,464
  5. Step 5: Solve for x
    x = 10,638,338,337,885,464/108,436,155.60
  6. Step 6: Final answer
    x = 98,106,930.10

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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.