Home / 266,119,954.20-399,179,931.30-122,792,722.20

Finding the Fourth Proportional to 266,119,954.20, 399,179,931.30 and 122,792,722.20

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Solution

The fourth proportional to 266,119,954.20, 399,179,931.30 and 122,792,722.20 is: 184,189,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,119,954.20 : 399,179,931.30 = 122,792,722.20 : x
  2. Step 2: Convert to fraction form
    266,119,954.20/399,179,931.30 = 122,792,722.20/x
  3. Step 3: Cross multiply
    266,119,954.20x = 399,179,931.30 × 122,792,722.20
  4. Step 4: Simplify right side
    266,119,954.20x = 49,016,390,411,935,984
  5. Step 5: Solve for x
    x = 49,016,390,411,935,984/266,119,954.20
  6. Step 6: Final answer
    x = 184,189,083.30

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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.