Home / 81,686,723,240.34-122,365,988,226.54-40,675,691,143.74

Finding the Fourth Proportional to 81,686,723,240.34, 122,365,988,226.54 and 40,675,691,143.74

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Solution

The fourth proportional to 81,686,723,240.34, 122,365,988,226.54 and 40,675,691,143.74 is: 60,931,825,224.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,686,723,240.34 : 122,365,988,226.54 = 40,675,691,143.74 : x
  2. Step 2: Convert to fraction form
    81,686,723,240.34/122,365,988,226.54 = 40,675,691,143.74/x
  3. Step 3: Cross multiply
    81,686,723,240.34x = 122,365,988,226.54 × 40,675,691,143.74
  4. Step 4: Simplify right side
    81,686,723,240.34x = 4,977,321,143,601,266,163,712
  5. Step 5: Solve for x
    x = 4,977,321,143,601,266,163,712/81,686,723,240.34
  6. Step 6: Final answer
    x = 60,931,825,224.00

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1.5x scale

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.