Home / 409,899,485.70-614,849,228.55-118,776,105.90

Finding the Fourth Proportional to 409,899,485.70, 614,849,228.55 and 118,776,105.90

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Solution

The fourth proportional to 409,899,485.70, 614,849,228.55 and 118,776,105.90 is: 178,164,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,899,485.70 : 614,849,228.55 = 118,776,105.90 : x
  2. Step 2: Convert to fraction form
    409,899,485.70/614,849,228.55 = 118,776,105.90/x
  3. Step 3: Cross multiply
    409,899,485.70x = 614,849,228.55 × 118,776,105.90
  4. Step 4: Simplify right side
    409,899,485.70x = 73,029,397,082,788,096
  5. Step 5: Solve for x
    x = 73,029,397,082,788,096/409,899,485.70
  6. Step 6: Final answer
    x = 178,164,158.85

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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.