Home / 120,662,689.37-181,049,698.02-55,103,924.63

Finding the Fourth Proportional to 120,662,689.37, 181,049,698.02 and 55,103,924.63

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Solution

The fourth proportional to 120,662,689.37, 181,049,698.02 and 55,103,924.63 is: 82,681,307.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,662,689.37 : 181,049,698.02 = 55,103,924.63 : x
  2. Step 2: Convert to fraction form
    120,662,689.37/181,049,698.02 = 55,103,924.63/x
  3. Step 3: Cross multiply
    120,662,689.37x = 181,049,698.02 × 55,103,924.63
  4. Step 4: Simplify right side
    120,662,689.37x = 9,976,548,913,978,342
  5. Step 5: Solve for x
    x = 9,976,548,913,978,342/120,662,689.37
  6. Step 6: Final answer
    x = 82,681,307.42

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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.