Home / 289,529,663.09-434,050,400.82-125,643,961.32

Finding the Fourth Proportional to 289,529,663.09, 434,050,400.82 and 125,643,961.32

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Solution

The fourth proportional to 289,529,663.09, 434,050,400.82 and 125,643,961.32 is: 188,360,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,529,663.09 : 434,050,400.82 = 125,643,961.32 : x
  2. Step 2: Convert to fraction form
    289,529,663.09/434,050,400.82 = 125,643,961.32/x
  3. Step 3: Cross multiply
    289,529,663.09x = 434,050,400.82 × 125,643,961.32
  4. Step 4: Simplify right side
    289,529,663.09x = 54,535,811,770,402,056
  5. Step 5: Solve for x
    x = 54,535,811,770,402,056/289,529,663.09
  6. Step 6: Final answer
    x = 188,360,015.31

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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.