Home / 42,901,840.17-64,266,598.04-19,840,450.05

Finding the Fourth Proportional to 42,901,840.17, 64,266,598.04 and 19,840,450.05

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Solution

The fourth proportional to 42,901,840.17, 64,266,598.04 and 19,840,450.05 is: 29,720,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,901,840.17 : 64,266,598.04 = 19,840,450.05 : x
  2. Step 2: Convert to fraction form
    42,901,840.17/64,266,598.04 = 19,840,450.05/x
  3. Step 3: Cross multiply
    42,901,840.17x = 64,266,598.04 × 19,840,450.05
  4. Step 4: Simplify right side
    42,901,840.17x = 1,275,078,228,196,845.75
  5. Step 5: Solve for x
    x = 1,275,078,228,196,845.75/42,901,840.17
  6. Step 6: Final answer
    x = 29,720,828.36

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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.