Home / 30,343,338.30-45,515,007.45-30,130,761.90

Finding the Fourth Proportional to 30,343,338.30, 45,515,007.45 and 30,130,761.90

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Solution

The fourth proportional to 30,343,338.30, 45,515,007.45 and 30,130,761.90 is: 45,196,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343,338.30 : 45,515,007.45 = 30,130,761.90 : x
  2. Step 2: Convert to fraction form
    30,343,338.30/45,515,007.45 = 30,130,761.90/x
  3. Step 3: Cross multiply
    30,343,338.30x = 45,515,007.45 × 30,130,761.90
  4. Step 4: Simplify right side
    30,343,338.30x = 1,371,401,852,352,676.25
  5. Step 5: Solve for x
    x = 1,371,401,852,352,676.25/30,343,338.30
  6. Step 6: Final answer
    x = 45,196,142.85

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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.