Home / 42,658,666.20-63,987,999.30-27,353,165.40

Finding the Fourth Proportional to 42,658,666.20, 63,987,999.30 and 27,353,165.40

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Solution

The fourth proportional to 42,658,666.20, 63,987,999.30 and 27,353,165.40 is: 41,029,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,658,666.20 : 63,987,999.30 = 27,353,165.40 : x
  2. Step 2: Convert to fraction form
    42,658,666.20/63,987,999.30 = 27,353,165.40/x
  3. Step 3: Cross multiply
    42,658,666.20x = 63,987,999.30 × 27,353,165.40
  4. Step 4: Simplify right side
    42,658,666.20x = 1,750,274,328,467,984
  5. Step 5: Solve for x
    x = 1,750,274,328,467,984/42,658,666.20
  6. Step 6: Final answer
    x = 41,029,748.10

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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.