Home / 248,726,983.50-372,590,820.81-123,853,406.94

Finding the Fourth Proportional to 248,726,983.50, 372,590,820.81 and 123,853,406.94

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Solution

The fourth proportional to 248,726,983.50, 372,590,820.81 and 123,853,406.94 is: 185,531,307.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,726,983.50 : 372,590,820.81 = 123,853,406.94 : x
  2. Step 2: Convert to fraction form
    248,726,983.50/372,590,820.81 = 123,853,406.94/x
  3. Step 3: Cross multiply
    248,726,983.50x = 372,590,820.81 × 123,853,406.94
  4. Step 4: Simplify right side
    248,726,983.50x = 46,146,642,551,889,552
  5. Step 5: Solve for x
    x = 46,146,642,551,889,552/248,726,983.50
  6. Step 6: Final answer
    x = 185,531,307.87

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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.