Home / 103,862,117.10-155,793,175.65-43,269,969.90

Finding the Fourth Proportional to 103,862,117.10, 155,793,175.65 and 43,269,969.90

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Solution

The fourth proportional to 103,862,117.10, 155,793,175.65 and 43,269,969.90 is: 64,904,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,862,117.10 : 155,793,175.65 = 43,269,969.90 : x
  2. Step 2: Convert to fraction form
    103,862,117.10/155,793,175.65 = 43,269,969.90/x
  3. Step 3: Cross multiply
    103,862,117.10x = 155,793,175.65 × 43,269,969.90
  4. Step 4: Simplify right side
    103,862,117.10x = 6,741,166,021,000,913
  5. Step 5: Solve for x
    x = 6,741,166,021,000,913/103,862,117.10
  6. Step 6: Final answer
    x = 64,904,954.85

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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.