Home / 202,274,842.02-279,139,767.21-109,456,345.86

Finding the Fourth Proportional to 202,274,842.02, 279,139,767.21 and 109,456,345.86

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Solution

The fourth proportional to 202,274,842.02, 279,139,767.21 and 109,456,345.86 is: 151,050,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,274,842.02 : 279,139,767.21 = 109,456,345.86 : x
  2. Step 2: Convert to fraction form
    202,274,842.02/279,139,767.21 = 109,456,345.86/x
  3. Step 3: Cross multiply
    202,274,842.02x = 279,139,767.21 × 109,456,345.86
  4. Step 4: Simplify right side
    202,274,842.02x = 30,553,618,903,017,644
  5. Step 5: Solve for x
    x = 30,553,618,903,017,644/202,274,842.02
  6. Step 6: Final answer
    x = 151,050,019.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.