Home / 52,110,995.88-78,167,159.04-13,772,178.78

Finding the Fourth Proportional to 52,110,995.88, 78,167,159.04 and 13,772,178.78

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Solution

The fourth proportional to 52,110,995.88, 78,167,159.04 and 13,772,178.78 is: 20,658,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,110,995.88 : 78,167,159.04 = 13,772,178.78 : x
  2. Step 2: Convert to fraction form
    52,110,995.88/78,167,159.04 = 13,772,178.78/x
  3. Step 3: Cross multiply
    52,110,995.88x = 78,167,159.04 × 13,772,178.78
  4. Step 4: Simplify right side
    52,110,995.88x = 1,076,532,089,023,573.25
  5. Step 5: Solve for x
    x = 1,076,532,089,023,573.25/52,110,995.88
  6. Step 6: Final answer
    x = 20,658,443.98

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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.