Home / 103,610,732.30-155,374,108.05-35,418,322.70

Finding the Fourth Proportional to 103,610,732.30, 155,374,108.05 and 35,418,322.70

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Solution

The fourth proportional to 103,610,732.30, 155,374,108.05 and 35,418,322.70 is: 53,113,130.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,610,732.30 : 155,374,108.05 = 35,418,322.70 : x
  2. Step 2: Convert to fraction form
    103,610,732.30/155,374,108.05 = 35,418,322.70/x
  3. Step 3: Cross multiply
    103,610,732.30x = 155,374,108.05 × 35,418,322.70
  4. Step 4: Simplify right side
    103,610,732.30x = 5,503,090,298,139,569
  5. Step 5: Solve for x
    x = 5,503,090,298,139,569/103,610,732.30
  6. Step 6: Final answer
    x = 53,113,130.04

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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.