Home / 125,616,004.20-188,424,006.30-116,546,077.80

Finding the Fourth Proportional to 125,616,004.20, 188,424,006.30 and 116,546,077.80

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Solution

The fourth proportional to 125,616,004.20, 188,424,006.30 and 116,546,077.80 is: 174,819,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,616,004.20 : 188,424,006.30 = 116,546,077.80 : x
  2. Step 2: Convert to fraction form
    125,616,004.20/188,424,006.30 = 116,546,077.80/x
  3. Step 3: Cross multiply
    125,616,004.20x = 188,424,006.30 × 116,546,077.80
  4. Step 4: Simplify right side
    125,616,004.20x = 21,960,078,897,627,492
  5. Step 5: Solve for x
    x = 21,960,078,897,627,492/125,616,004.20
  6. Step 6: Final answer
    x = 174,819,116.70

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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.