Home / 42,207,319.84-63,309,018.48-17,605,092.64

Finding the Fourth Proportional to 42,207,319.84, 63,309,018.48 and 17,605,092.64

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Solution

The fourth proportional to 42,207,319.84, 63,309,018.48 and 17,605,092.64 is: 26,406,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,207,319.84 : 63,309,018.48 = 17,605,092.64 : x
  2. Step 2: Convert to fraction form
    42,207,319.84/63,309,018.48 = 17,605,092.64/x
  3. Step 3: Cross multiply
    42,207,319.84x = 63,309,018.48 × 17,605,092.64
  4. Step 4: Simplify right side
    42,207,319.84x = 1,114,561,135,287,872
  5. Step 5: Solve for x
    x = 1,114,561,135,287,872/42,207,319.84
  6. Step 6: Final answer
    x = 26,406,820.89

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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.