Home / 103,610,698.30-155,374,057.05-35,418,288.70

Finding the Fourth Proportional to 103,610,698.30, 155,374,057.05 and 35,418,288.70

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Solution

The fourth proportional to 103,610,698.30, 155,374,057.05 and 35,418,288.70 is: 53,113,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,610,698.30 : 155,374,057.05 = 35,418,288.70 : x
  2. Step 2: Convert to fraction form
    103,610,698.30/155,374,057.05 = 35,418,288.70/x
  3. Step 3: Cross multiply
    103,610,698.30x = 155,374,057.05 × 35,418,288.70
  4. Step 4: Simplify right side
    103,610,698.30x = 5,503,083,209,087,171
  5. Step 5: Solve for x
    x = 5,503,083,209,087,171/103,610,698.30
  6. Step 6: Final answer
    x = 53,113,079.05

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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.