Home / 42,395,576.10-63,687,842.55-40,673,969.70

Finding the Fourth Proportional to 42,395,576.10, 63,687,842.55 and 40,673,969.70

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Solution

The fourth proportional to 42,395,576.10, 63,687,842.55 and 40,673,969.70 is: 61,101,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,395,576.10 : 63,687,842.55 = 40,673,969.70 : x
  2. Step 2: Convert to fraction form
    42,395,576.10/63,687,842.55 = 40,673,969.70/x
  3. Step 3: Cross multiply
    42,395,576.10x = 63,687,842.55 × 40,673,969.70
  4. Step 4: Simplify right side
    42,395,576.10x = 2,590,437,378,137,071
  5. Step 5: Solve for x
    x = 2,590,437,378,137,071/42,395,576.10
  6. Step 6: Final answer
    x = 61,101,596.36

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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.