Home / 125,824,665.60-188,736,998.40-113,731,430.40

Finding the Fourth Proportional to 125,824,665.60, 188,736,998.40 and 113,731,430.40

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Solution

The fourth proportional to 125,824,665.60, 188,736,998.40 and 113,731,430.40 is: 170,597,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,824,665.60 : 188,736,998.40 = 113,731,430.40 : x
  2. Step 2: Convert to fraction form
    125,824,665.60/188,736,998.40 = 113,731,430.40/x
  3. Step 3: Cross multiply
    125,824,665.60x = 188,736,998.40 × 113,731,430.40
  4. Step 4: Simplify right side
    125,824,665.60x = 21,465,328,797,434,512
  5. Step 5: Solve for x
    x = 21,465,328,797,434,512/125,824,665.60
  6. Step 6: Final answer
    x = 170,597,145.60

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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.