Home / 276,905,650.63-382,247,459.49-172,535,289.25

Finding the Fourth Proportional to 276,905,650.63, 382,247,459.49 and 172,535,289.25

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Solution

The fourth proportional to 276,905,650.63, 382,247,459.49 and 172,535,289.25 is: 238,172,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,650.63 : 382,247,459.49 = 172,535,289.25 : x
  2. Step 2: Convert to fraction form
    276,905,650.63/382,247,459.49 = 172,535,289.25/x
  3. Step 3: Cross multiply
    276,905,650.63x = 382,247,459.49 × 172,535,289.25
  4. Step 4: Simplify right side
    276,905,650.63x = 65,951,175,988,184,808
  5. Step 5: Solve for x
    x = 65,951,175,988,184,808/276,905,650.63
  6. Step 6: Final answer
    x = 238,172,012.16

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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.