Home / 162,431,332.22-243,629,726.49-45,843,805.64

Finding the Fourth Proportional to 162,431,332.22, 243,629,726.49 and 45,843,805.64

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Solution

The fourth proportional to 162,431,332.22, 243,629,726.49 and 45,843,805.64 is: 68,760,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,431,332.22 : 243,629,726.49 = 45,843,805.64 : x
  2. Step 2: Convert to fraction form
    162,431,332.22/243,629,726.49 = 45,843,805.64/x
  3. Step 3: Cross multiply
    162,431,332.22x = 243,629,726.49 × 45,843,805.64
  4. Step 4: Simplify right side
    162,431,332.22x = 11,168,913,829,942,994
  5. Step 5: Solve for x
    x = 11,168,913,829,942,994/162,431,332.22
  6. Step 6: Final answer
    x = 68,760,833.75

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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.