Home / 42,983,999.10-64,475,998.65-27,678,498.30

Finding the Fourth Proportional to 42,983,999.10, 64,475,998.65 and 27,678,498.30

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Solution

The fourth proportional to 42,983,999.10, 64,475,998.65 and 27,678,498.30 is: 41,517,747.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,983,999.10 : 64,475,998.65 = 27,678,498.30 : x
  2. Step 2: Convert to fraction form
    42,983,999.10/64,475,998.65 = 27,678,498.30/x
  3. Step 3: Cross multiply
    42,983,999.10x = 64,475,998.65 × 27,678,498.30
  4. Step 4: Simplify right side
    42,983,999.10x = 1,784,598,819,024,827.25
  5. Step 5: Solve for x
    x = 1,784,598,819,024,827.25/42,983,999.10
  6. Step 6: Final answer
    x = 41,517,747.45

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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.