Home / 266,119,027.40-399,178,541.10-120,622,291.40

Finding the Fourth Proportional to 266,119,027.40, 399,178,541.10 and 120,622,291.40

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Solution

The fourth proportional to 266,119,027.40, 399,178,541.10 and 120,622,291.40 is: 180,933,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,119,027.40 : 399,178,541.10 = 120,622,291.40 : x
  2. Step 2: Convert to fraction form
    266,119,027.40/399,178,541.10 = 120,622,291.40/x
  3. Step 3: Cross multiply
    266,119,027.40x = 399,178,541.10 × 120,622,291.40
  4. Step 4: Simplify right side
    266,119,027.40x = 48,149,830,305,191,080
  5. Step 5: Solve for x
    x = 48,149,830,305,191,080/266,119,027.40
  6. Step 6: Final answer
    x = 180,933,437.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.