Home / 53,499,100.16-80,223,353.15-20,725,019.52

Finding the Fourth Proportional to 53,499,100.16, 80,223,353.15 and 20,725,019.52

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Solution

The fourth proportional to 53,499,100.16, 80,223,353.15 and 20,725,019.52 is: 31,077,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,499,100.16 : 80,223,353.15 = 20,725,019.52 : x
  2. Step 2: Convert to fraction form
    53,499,100.16/80,223,353.15 = 20,725,019.52/x
  3. Step 3: Cross multiply
    53,499,100.16x = 80,223,353.15 × 20,725,019.52
  4. Step 4: Simplify right side
    53,499,100.16x = 1,662,630,560,075,140.50
  5. Step 5: Solve for x
    x = 1,662,630,560,075,140.50/53,499,100.16
  6. Step 6: Final answer
    x = 31,077,729.44

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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.