Home / 52,110,970.38-78,167,120.81-13,772,153.25

Finding the Fourth Proportional to 52,110,970.38, 78,167,120.81 and 13,772,153.25

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Solution

The fourth proportional to 52,110,970.38, 78,167,120.81 and 13,772,153.25 is: 20,658,405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,110,970.38 : 78,167,120.81 = 13,772,153.25 : x
  2. Step 2: Convert to fraction form
    52,110,970.38/78,167,120.81 = 13,772,153.25/x
  3. Step 3: Cross multiply
    52,110,970.38x = 78,167,120.81 × 13,772,153.25
  4. Step 4: Simplify right side
    52,110,970.38x = 1,076,529,566,837,723.50
  5. Step 5: Solve for x
    x = 1,076,529,566,837,723.50/52,110,970.38
  6. Step 6: Final answer
    x = 20,658,405.69

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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.