Home / 69,538,464.80-104,266,225.20-42,631,431.20

Finding the Fourth Proportional to 69,538,464.80, 104,266,225.20 and 42,631,431.20

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Solution

The fourth proportional to 69,538,464.80, 104,266,225.20 and 42,631,431.20 is: 63,921,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,538,464.80 : 104,266,225.20 = 42,631,431.20 : x
  2. Step 2: Convert to fraction form
    69,538,464.80/104,266,225.20 = 42,631,431.20/x
  3. Step 3: Cross multiply
    69,538,464.80x = 104,266,225.20 × 42,631,431.20
  4. Step 4: Simplify right side
    69,538,464.80x = 4,445,018,406,097,506.50
  5. Step 5: Solve for x
    x = 4,445,018,406,097,506.50/69,538,464.80
  6. Step 6: Final answer
    x = 63,921,721.87

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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.