Home / 276,905,973.88-382,247,904.72-172,535,612.32

Finding the Fourth Proportional to 276,905,973.88, 382,247,904.72 and 172,535,612.32

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Solution

The fourth proportional to 276,905,973.88, 382,247,904.72 and 172,535,612.32 is: 238,172,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,973.88 : 382,247,904.72 = 172,535,612.32 : x
  2. Step 2: Convert to fraction form
    276,905,973.88/382,247,904.72 = 172,535,612.32/x
  3. Step 3: Cross multiply
    276,905,973.88x = 382,247,904.72 × 172,535,612.32
  4. Step 4: Simplify right side
    276,905,973.88x = 65,951,376,298,902,224
  5. Step 5: Solve for x
    x = 65,951,376,298,902,224/276,905,973.88
  6. Step 6: Final answer
    x = 238,172,457.51

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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.