Home / 125,616,520.80-188,424,781.20-116,546,594.40

Finding the Fourth Proportional to 125,616,520.80, 188,424,781.20 and 116,546,594.40

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Solution

The fourth proportional to 125,616,520.80, 188,424,781.20 and 116,546,594.40 is: 174,819,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,616,520.80 : 188,424,781.20 = 116,546,594.40 : x
  2. Step 2: Convert to fraction form
    125,616,520.80/188,424,781.20 = 116,546,594.40/x
  3. Step 3: Cross multiply
    125,616,520.80x = 188,424,781.20 × 116,546,594.40
  4. Step 4: Simplify right side
    125,616,520.80x = 21,960,266,549,425,144
  5. Step 5: Solve for x
    x = 21,960,266,549,425,144/125,616,520.80
  6. Step 6: Final answer
    x = 174,819,891.60

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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.