Home / 117,235,601.46-161,679,280.77-73,186,660.98

Finding the Fourth Proportional to 117,235,601.46, 161,679,280.77 and 73,186,660.98

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Solution

The fourth proportional to 117,235,601.46, 161,679,280.77 and 73,186,660.98 is: 100,931,513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,235,601.46 : 161,679,280.77 = 73,186,660.98 : x
  2. Step 2: Convert to fraction form
    117,235,601.46/161,679,280.77 = 73,186,660.98/x
  3. Step 3: Cross multiply
    117,235,601.46x = 161,679,280.77 × 73,186,660.98
  4. Step 4: Simplify right side
    117,235,601.46x = 11,832,766,709,204,224
  5. Step 5: Solve for x
    x = 11,832,766,709,204,224/117,235,601.46
  6. Step 6: Final answer
    x = 100,931,513.65

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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.