Home / 52,110,967.88-78,167,117.04-13,772,150.75

Finding the Fourth Proportional to 52,110,967.88, 78,167,117.04 and 13,772,150.75

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Solution

The fourth proportional to 52,110,967.88, 78,167,117.04 and 13,772,150.75 is: 20,658,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,110,967.88 : 78,167,117.04 = 13,772,150.75 : x
  2. Step 2: Convert to fraction form
    52,110,967.88/78,167,117.04 = 13,772,150.75/x
  3. Step 3: Cross multiply
    52,110,967.88x = 78,167,117.04 × 13,772,150.75
  4. Step 4: Simplify right side
    52,110,967.88x = 1,076,529,319,498,913
  5. Step 5: Solve for x
    x = 1,076,529,319,498,913/52,110,967.88
  6. Step 6: Final answer
    x = 20,658,401.93

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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.