Home / 125,616,612.80-188,424,919.20-116,546,686.40

Finding the Fourth Proportional to 125,616,612.80, 188,424,919.20 and 116,546,686.40

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Solution

The fourth proportional to 125,616,612.80, 188,424,919.20 and 116,546,686.40 is: 174,820,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,616,612.80 : 188,424,919.20 = 116,546,686.40 : x
  2. Step 2: Convert to fraction form
    125,616,612.80/188,424,919.20 = 116,546,686.40/x
  3. Step 3: Cross multiply
    125,616,612.80x = 188,424,919.20 × 116,546,686.40
  4. Step 4: Simplify right side
    125,616,612.80x = 21,960,299,967,947,740
  5. Step 5: Solve for x
    x = 21,960,299,967,947,740/125,616,612.80
  6. Step 6: Final answer
    x = 174,820,029.60

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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.