Home / 42,290,135.10-63,435,202.65-40,106,634.30

Finding the Fourth Proportional to 42,290,135.10, 63,435,202.65 and 40,106,634.30

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Solution

The fourth proportional to 42,290,135.10, 63,435,202.65 and 40,106,634.30 is: 60,159,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,290,135.10 : 63,435,202.65 = 40,106,634.30 : x
  2. Step 2: Convert to fraction form
    42,290,135.10/63,435,202.65 = 40,106,634.30/x
  3. Step 3: Cross multiply
    42,290,135.10x = 63,435,202.65 × 40,106,634.30
  4. Step 4: Simplify right side
    42,290,135.10x = 2,544,172,474,429,940.50
  5. Step 5: Solve for x
    x = 2,544,172,474,429,940.50/42,290,135.10
  6. Step 6: Final answer
    x = 60,159,951.45

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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.