Home / 42,977,204.28-64,425,281.27-21,391,399.49

Finding the Fourth Proportional to 42,977,204.28, 64,425,281.27 and 21,391,399.49

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Solution

The fourth proportional to 42,977,204.28, 64,425,281.27 and 21,391,399.49 is: 32,066,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,977,204.28 : 64,425,281.27 = 21,391,399.49 : x
  2. Step 2: Convert to fraction form
    42,977,204.28/64,425,281.27 = 21,391,399.49/x
  3. Step 3: Cross multiply
    42,977,204.28x = 64,425,281.27 × 21,391,399.49
  4. Step 4: Simplify right side
    42,977,204.28x = 1,378,146,928,473,101
  5. Step 5: Solve for x
    x = 1,378,146,928,473,101/42,977,204.28
  6. Step 6: Final answer
    x = 32,066,928.31

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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.