Home / 116,543,020.80-174,814,531.20-39,854,553.60

Finding the Fourth Proportional to 116,543,020.80, 174,814,531.20 and 39,854,553.60

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Solution

The fourth proportional to 116,543,020.80, 174,814,531.20 and 39,854,553.60 is: 59,781,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,543,020.80 : 174,814,531.20 = 39,854,553.60 : x
  2. Step 2: Convert to fraction form
    116,543,020.80/174,814,531.20 = 39,854,553.60/x
  3. Step 3: Cross multiply
    116,543,020.80x = 174,814,531.20 × 39,854,553.60
  4. Step 4: Simplify right side
    116,543,020.80x = 6,967,155,103,769,272
  5. Step 5: Solve for x
    x = 6,967,155,103,769,272/116,543,020.80
  6. Step 6: Final answer
    x = 59,781,830.40

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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.