Home / 409,899,512.70-614,849,269.05-118,776,132.90

Finding the Fourth Proportional to 409,899,512.70, 614,849,269.05 and 118,776,132.90

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Solution

The fourth proportional to 409,899,512.70, 614,849,269.05 and 118,776,132.90 is: 178,164,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,899,512.70 : 614,849,269.05 = 118,776,132.90 : x
  2. Step 2: Convert to fraction form
    409,899,512.70/614,849,269.05 = 118,776,132.90/x
  3. Step 3: Cross multiply
    409,899,512.70x = 614,849,269.05 × 118,776,132.90
  4. Step 4: Simplify right side
    409,899,512.70x = 73,029,418,494,150,656
  5. Step 5: Solve for x
    x = 73,029,418,494,150,656/409,899,512.70
  6. Step 6: Final answer
    x = 178,164,199.35

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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.