Home / 42,977,223.61-64,425,310.30-21,391,418.79

Finding the Fourth Proportional to 42,977,223.61, 64,425,310.30 and 21,391,418.79

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Solution

The fourth proportional to 42,977,223.61, 64,425,310.30 and 21,391,418.79 is: 32,066,957.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,977,223.61 : 64,425,310.30 = 21,391,418.79 : x
  2. Step 2: Convert to fraction form
    42,977,223.61/64,425,310.30 = 21,391,418.79/x
  3. Step 3: Cross multiply
    42,977,223.61x = 64,425,310.30 × 21,391,418.79
  4. Step 4: Simplify right side
    42,977,223.61x = 1,378,148,793,329,739.75
  5. Step 5: Solve for x
    x = 1,378,148,793,329,739.75/42,977,223.61
  6. Step 6: Final answer
    x = 32,066,957.28

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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.